[ horns honking ] ♪ >> anthony: there's something magical about the smell. the minute you touch down here, it grabs you, captivates you, and chances are, it holds you forever. i'm not the first to feel this way. ♪ there is no better place to entertain the leader of the free world, in my opinion, than one of these classic, funky, family-run noodle shops you find all over hanoi. dinner and a beer costs about $6. i'm guessing the president doesn't get a lot of state dinners like this. [ dog barking ] ♪ [ bottles clink ] how often do you get to sneak out for a beer? >> president obama: very rarely. [ laughter ] well, first of all, i don't get to sneak out, period. >> anthony: right. >> president obama: but the -- once in a while, i'll take