Rose good evening. Scott is on assignment. Im charlie rose, and this is our western edition. The United StatesSupreme Court is taking up one of the biggest cases of the 21st century. The justices will decide whether samesex marriage will become the law of the land. At issue does the constitutions guarantee of equal protection under the law mean gay couples have the same right to marry as straight couples. Here is our chief legal correspondent, jan crawford. Reporter the announcement that the court will decide once and for all the issue of same sex marriage reflects how dramatically the law has changed, beginning in 2003, whenstic the justices struck down laws in nearly a third of the country that made homosexual sex a crime. Today, just 12 years later, 36 states allow lesbians and gays to marry. The justices now will look at states where samesex marriage re remains illegal. An ohiobased federal Appeals Court all but forced their hand. It ruled in november samesex couples had no constitutional right to marry. This was in direct conflict to other Appeals Court rulings allowing samesex marriage. Justice ruth bader ginsburg, late last year, signaled the justices would only take up the issue once a lower court upheld a marriage ban. Reporter many say the justices have already paved the way for this case when they ruled two years ago that the federal government must recognize legal samesex marriages. Dissenting from that decision, Justice Antonin Scalia said the court had made it easy, inevitable, for lower courts to take the next bold step andte strike down state laws that banned samesex marriage. But its not inevitable that the Supreme Court will take that step, and, charlie, the stakes are huge. If the justices rule there is no constitutional right to samesex marriage, well, that would throwsex into question marriages legalized in many states by those lower courts. Rose jan, thanks. Before the courts announcement today, pope francis made an apparent reference to samesex marriage and the churchs opposition to it. Visiting the philippines, the pope warned catholics to be careful of what he called ideological colonialization that is trying to destroy the family. One week after the terror attacks that left 17 people dead in paris, western europe is going on the offensive. More than two dozen people have been arrested in france, belgium, germany, and ireland. Ve Belgium Police alone conducted more than a dozen raids after ae, fire fight last night left two suspects dead. Charlie dagata is in brussels. Reporter the charred walls shattered glass, and bloodied hallway, aftermath of a fierce gun battle that left two suspects dead and a country on edge. Police were on high alert today. Despite more than a dozen arrests, police are still searching for three heavily armed suspects with links to isis militants in syria. Is some jewish schools were closed. Government buildings were heavily guarded. At the scene of thursday nights fire fight, police said they found kalashnikov assault rifles, explosives, police uniforms, and a large amount of cash. Belgian authorities stressed theth terror arrests had no connection to the attacks in paris last week that killed 17. Belgium is the highest per capita exporter of foreign fighters in europe, estimated to be at least 300. Some have brought their fight back home. A number of the antiterror raids took place in lowincome suburbs like this one near brussels. Bernard clerfayt is the mayor of scarbeck, where half the population is muslim. Why are so many people from these communities going to syria . The rate of unemployment is higher. The social difficulties are higher for them. They dont feel to be a part of society as everybody else. Are and they try to take revenge. T reporter today, the belgian government announced it would give the army new surveillance powers, root out jihadi propaganda online, and strip terrorists of citizenship to try and prevent them from returning home. Of the 13 suspects arrested here, five have been formally charged with participating in terrorist activities. But, charlie, thats just the beginning. The Police Agency europol estimated that theyre dealing with thousands of potential terrorists. Rose Charlie Dagata in brussels, thank you. Michael morell is a former Deputy Director of the c. I. A. , and now our cbs news Senior Security contributor. W michael, let me begin with this how big a problem do we have in europe . Charlie, this is a very large problem. Tial were looking at potentially a very large number of people. Weve got somewhere between 2,500 and 5,000 west europeans who have gone to fight in iraq and syria. You probably have several hundred who went to train in pakistan or yemen at some point. And you have some unknown number of folks who never left western europe but who have become radicalized. So its potentially a very large number. Rose mike, it seems like the Terror Threat has never been so difficult. Yet it was four years ago that Osama Bin Laden was killed. What happened . Charlie, in the fight against al qaeda weve had since 9 11, al qaeda has had a great victory, and weve had a great victory. Our great victory has been the decimation, degradation, near defeat of the al qaeda leadership in pakistan, the people that brought us 9 11. Their great victory has been the spread of their ideology across a very wide Geographic Area europe, africa, middle east, south asia. On september 10, 2001, al qaeda was on one place in the planet afghanistan. Today, theyre in 30 to 40 countries. Un rose which one should we fear the most . I think there are two groups to fear. One is al qaeda in yemen, which maintains the most sophisticated capability to attack us here inre the homeland. The ability to bring an airliner down, for example. And we also have to fear isis, which has this very strongo ra capability to radicalize young me men in western europe and other countries, including the United States. Rose thank you, mike. Youre welcome. R rose today, president obama and british Prime MinisterDavid Cameron wrapped up two days of talks at the white house. At a news conference, the two leaders vowed to take on what cameron called the poisonous ideology of islamist extremists. Cameron also sat down with our Bob Schieffer for a oneonone interview for sundays face the nation. A on bob joins us now. Bob. Charlie, when i asked the Prime Minister if the terrorist threat was greater now than ever, he put it this way. We face a very severe threat. Vere thats what were calling it severe, because we believe an attack is highly likely. But, frankly, weve been in this struggle against extremist islamists, terrorism now for well over a decade and a half. So we know what it takes to win, but its going to take a lot of perseverance. Ev reporter well, have we entered a new phase here . Is that what this attack in paris has signaled . What i would say is this threat keeps morphing because its the same fundamental problem extremist islamist terror but whereas the majority of it was coming from the afghanistan pakistan area,ki now you see much more of it coming out of iraq and syria and the threat posed by isil. Added to that, youve got the socalled selfstarter or lone wolf terrorists, people who have been radicalized because of what theyve seen on the internet, who may not be connected to some plot that is being hatched in iraq or syria. So the threat has changed and altered but its still based on the fundamental problem of a poisonous death cult narrative which is the perversion of one of the worlds major religions. And thats the thing were still up against. Reporter cameron said that he returns home feeling there is a coordinated, coherent strategy. But he said we have to realize this is going to take, charlie a long time to do. Rose Bob Schieffer in washington, thanks. You can see more of bobs min interview with Prime Minister sun cameron this sunday on face the nation. The ohio man charged with plotting to attack the u. S. Capitol was ordered held without bond today. A federal magistrate in cincinnati concluded Christopher Cornell is a danger to the community. The f. B. I. Says cornell, who is 20, planned to wage jihad by bombing the capitol and shooting government officials. He was arrested wednesday outside a gun shop in ohio. A report today by u. S. Ment scientist government scientists says 2014 was the warmest year on record. Vicente arenas has been looking into the effects of climate change. Reporter in miami beach, ocean water often floods downtown streets where sea levels are rising at an alarming rate. In south florida, theyre expected to rise five to seven inches in the next 30 years due to Global Warming. The city is installing massive flood pumps at a cost of 300 million to try to keep the water out. Eric carpenter is the public works director. How concerned are you about the rising sea level . Were concerned from a perspective of we need to do something about it now. We cant wait. Reporter scientists around the world share the urgency. Todays report says every oceanme is warmer than ever before. The results are melting glaciers, threatening wildlife and producing extreme weather, including stronger typhoons in asia, and the record drought in california. Scientists say the warming is caused by people. As we burn fossil fuels to run our cars, homes, and factories Greenhouse Gases are trapped in the atmosphere and warm the earths surface. Last year, the earth warmed 1. 24 degrees above the 20th century average. Ag the deep reds representre record warmths. So these were the highest record temperatures ever observed reporter california. California. Reporter dr. Tom karl is the director of n. O. A. A. s climate act data center. Its very clear that the weather and climate that your an have grown up with is not going to be the weather and climatewith youre going to experience ord cl your children are going to experience. Reporter 14 out of the 15. Warmest years on record have happened since 1997. Scientists say that should be enough evidence for skeptics to prove that Global Warming is real and needs to be addressed. Rose vicente arenas in miami. Thanks. Tonight, mitt romney will make his first public remarks since his big aboutface last week when he said he is nowa th considering a third run for the white house. Romney is addressing Republican Party leaders at their winter meeting in san diego. Our nancy cordes is there. Reporter in sunny san diego, the forecast for a romney run is likely with a chance of humiliation. The g. O. P. Leaders gathered here say they dont think romney would publicly mull a third bid unless he had already made up his mind. I think its good for our party. I think its interesting. Theres intrigue. Theres some drama. Reporter Reince Priebus isor the chairman of the Republican National committee. What did you tell hem . Well, look, i said to pray about it and talk to people and see what the field looks like. Reporter thats not casual advice. Romney would face a fartougher g. O. P. Primary now than he did last time, when the field included just two sitting members of congress and one sitting governor. This time, romney would be goingur up against as many as four sitting senators and four sitting governors, including wisconsin Governor Scott walker,o who told this gathering that its time to turn the page. If were going to be up against, particularly hillary clinton, we have to offer a new, fresh approach. Reporter conservative editorials have largely agreed. Jennifer rubin of the Washington Post said, romneyf is still the very rich guy lacking the common touch. Rick, ill tell you what, 10,000 bucks . laughter applause 10,000 bet. Reporter r. N. C. Officials announced today that whoever runs will not be subjected to the 20 debates that gave candidates too many opportunities to slip up in 2012. Commerce and, lets see i cant. The third one. I cant. Sorry. Oops. Reporter this time around, there will be between nine and 12 g. O. P. Debates starting in ohio and in august. But these early debates stages charlie, could be pretty crowded. We keep asking folks here who seems really serious about getting into race, and they keep telling us all of them, from jeb bush to ted cruz. Rose nancy cordes in san diego, thanks. Much of the country is catching the flu bug. Today, the centers for Disease Control and prevention said the flu is very active in 24 states, the ones you see in red. 45 children have died from it. Duke University Says yes, then no to muslim call to prayer at the university chapel. And an announcer makes an embarrassing slip when the cbs evening news continues. Better. Thats the way i look at life. Especially now that i live with a higher risk of stroke due to afib a type of irregular heartbeat, not caused by a heart valve problem. I was taking warfarin, but wondered if i kept digging could i come up with something better. My doctor told me about eliquis. For three Important Reasons. One, in a clinical trial, eliquis was proven to reduce the risk of stroke better than warfarin. Two, eliquis had less major bleeding than warfarin. And three, unlike warfarin theres no routine blood testing. Dont stop taking eliquis unless your doctor tells you to, as stopping increases your risk of having a stroke. Eliquis can cause serious and in rare cases fatal bleeding. Dont take eliquis if you have an artificial heart valve or abnormal bleeding. 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We were made aware of and have been following serious and credible concerns about personal safety and security. Reporter administrators and staff were bombarded with threatening emails and expletiveladen calls from people threatening to withholdhr donations if they went forward with the overture to the 700 muslims. Vitriol flowed from hardright conservatives, including franklin graham, the son of billy graham, who denounced the school on facebook the post received more than 77,000 likes. Lara musser gritter, a christian graduate student in the divinity school, said graham doesnt speak for her, and one religion should not silence another. They often pray on friday mornings in the chapel basement,sibl but thats kind of an invisible place, and i wanted to visibly support them with my presence. Reporter university imam adeel zeb, who led the days prayer service, tempered his disappointment. Every civil rights struggle takes time, no matter what community has come into america, and this is our time to keep moving forward. Reporter duke called in extra security for todays gathering. Charlie, members of the Muslim Community hope to sit down with administrators to revisit their decision. The school says its willing to look at the issue. In a settlement today with ncaa in a settlement today with ncaa penn state got back all 112 football victories forfeited because of child molestation scandal. This means the late paterno isce once again the winningest coach in Major College football history with 409. In return, pennsylvania officials agreed to drop their lawsuit challenging the ncaas authority in the case. Spacex called it close but no cigar. Now we finally get to see what it was talking about next. Lking about next. You get sick you cant breathe through your nose. Suddenly. Youre a mouthbreather. 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