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as these holidays wind down. the president yial campaign sean is heating up. one week from tomorrow, the iowa caucuses will mark the first formal votes in the 2012 race. right now, it's too close to call, statistically speaking. according to a poll from the american research group, ron paul, mitt romney, and newt gingrich are locked in a three-way statistical tie. you can see it there. 21, 20, 19% apiece. paul steinhauser is in des moines with more on this three-way battle. and no clear front-runner at least for iowa, paul. >> reporter: no clear front-runner. and that poll you just s...

anything but a holiday for americans reeling from extreme weather. lee is weakening to a tropical depression, but still a massive rain maker that could make travel across much of the country a nightmare. storms' winds have helped fuel wildfires in central texas. at this hour, a thousand homes are in danger near austin. and later today, hurricane katia will unleash its first impact on the east coast. we're tracking this storm and tell you where that's headed in a moment. first, we want to begin with the flooding rains pounding the gulf coast since lee made la landfall in louisia...

>> that was cool. "american morning" continues right now. after the deluge, i'm christine romans, tropical storm lee now a tropical depression, but still, packing plenty of rain after dumping a foot on parts of the gulf coast. >> i'm carol costello. right now massive wildfires threatening to burn down thousands of homes in texas. it is the worst fire season in state history and it's far from over on this "american morning." all right. good morning, everybody. it's monday, september 5th. labor day. welcome to "american morning." ali is off today. >> happy labor day. i hope you're ...

Rehab in houston that i was able to rejoin my crew and complete this mission. certainly no regrets. there are periods of time over the last 16 days that, you know, you miss your wife and your kids and i think that's true for all of us. but in hindsight, it was absolutely the right decision. we got all of our mission objectives done. we did four very challenging spacewalks. we got the ams installed and another pay load on the outside of the station so for me it was certainly the right decision. >> gentlemen, thanks for your time. have a wonderful final moments to your journey. we'll see you bac...

of important developments in the middle east and north africa. most of them troubling. the brutal regime in syria declared general amnesty today but human rights groups and the obama administration are quick to label it a sham. designed they say to distract attention from a bloody crackdown. in yemen, civil strife spread after a cease fire agreement between the government and opposition forces in the capital city collapsed. the regime of moammar gadhafi in libya defiantly today again vowed to hold power, rejecting the latest effort to broker a diplomatic solution to the civil war the...