john mearsheimer very quick response. >> we live with the assad regime for 43 years. so there's no reason we couldn't live with the assad regime for another 4 years. the idea that it's a strategic threat to the united states, i do not believe it's a serious argument. >> woodruff: all right. we will leave it there. john mearsheimer, jeffrey white, we thank you both. >> brown: we have more on syria later in the program, with a look at the continuing humanitarian crisis. also ahead, the first pictures of the royal baby; the push to enroll young people in health plans; a program to confiscate legally purchased guns; plus, dementia and sexual consent. but first, the other news of the day. here's kwame holman. >> holman: in washington, house tea party conservatives and liberal democrats pushed to bar funding for any arms for syria's rebels unless congress approves. it's one of several proposed amendments to a defense spending bill now under debate. the same coalition also wants to rescind the national security agency's power for blanket collection of data and restrict the a