and fireworks as we celebrate independence day. today is sunday, july 4th, 2010. captions paid for by nbc-universal television i feel like marching in the studio. welcome, i m lester holt. and i m jenna wolfe. i know you re coming back to do nightly later but would you stop by and watch the fireworks? that s a big deal to get in there and fight the crowds. why don t you give people who are not from new york city what crowds mean in new york? it s a big deal. the key is to get on a rooftop to see them. i don t have a rooftop to see them. i might be watching them on tv. which is not a bad place to watch them. be mindful, there are a lot of people defending this country every day. vice president joe biden and his wife paid a visit to the troops there. he s going to meet with iraqi leaders and also take part in a ceremony to naturalize more than 100 troops that will become u.s. citizens today. more on that in just a bit. meanwhile, on the other war front, a new