. >> rose: richard engel, barney frank, and nathan myhrvold when we continue. every story needs a hero we can all root for. who beats the odds and comes out on top. but this isn't just a hollywood storyline. it's happening every day, all across america. every time a storefront opens. or the midnight oil is burned. or when someone chases a dream, not just a dollar. they are small business owners. so if you wanna root for a real hero, support small business. shop small. captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> rose: we begin with an update on the crisis in libya with richard engel of nbc news. first this, speaking at a joint press conference in chile, president obama defended the air strikes. >> i think it's very easy to square our military actions and our stated policies. our military action is in support of an international mandate from the security council that specifically focuses on the humanitarian threat posed by colonel qaddafi to his people. i also have stated that it is u.s. policy that qadd