family forward and the country forward, the idea that made america a very special place. amazing to see and be reminded how stringent we were in making sure people were willing to work forward to bringing in illnesses and were not going to be in need of benefits overwhelmingly and ultimately assimilated to the idea of america. contrast that today, 75.9% of refugees are on food stamps and the distinction between refugees and immigrants was different but the expectation is you come here to become an american which is different than the multicultural ethos we have today which is do your own thing and it changed the fabric of the country. any ancestors came through? i don t think there were any vikings. they came on their own ships. burned their boats when they got here. a dog s bounty hunter always
7.1 earthquake hits northern japan. lucy jones is a seismologist from the united states geological survey and joins us now by phone. so luce circumstance let s talk about this. originally, the number came out as 7.5, then downgraded to 7.4 and now it is a 7.1. so explain the disspare the in difference about what type of magnitude quake this is. okay. well, what it is there s several different wives calculating what the size of an earthquake is. it is a pretty complicated thing. the most accurate one takes a little more time. there is preliminary ones we use first. the 7.1 is what we call the moment magnitude and most complete picture of the size. so we expect it to vary a bit trying to get you the information really quickly. as i understand it this is one of the stronger aftershocks there have been more than roughly 1,000. there was 75.9 after shock that happened the day of march 11th went original 9.0 quake struck. so what does it say to you about