. >> reporter: and dr. khan says that's just the people he knows about in northern virginia. >> there are about 150,000 people that are uninsured. the safety net can only accommodate a limited amount of these people. so the rest of them actually go without even basic primary care and a lot of us-- as doctors, not just me but people-- working in emergency rooms, see the effects of that. >> reporter: for the states that decide to opt into the medicaid expansion, here's how it will work: starting in 2014, the federal government will pick up 100% of the cost. in 2017, the government's share starts to ramp down, so that by 2020 moving forward, washington will pay 90% of the tab with states picking up the other 10%. but a number of republican governors are balking at that, saying even 10% could bust their already troubled budgets. virginia's bob mcdonnell hasn't made up his mind about the expansion yet, but like a number of other republican governors, he doesn't like it. >> all the things it was sold on: that it is go

in addition, dr. khan has served on the cbc by terrorism program, which updated local, state, and national public health systems to get an early jump, to detect, to be alerted right away to the outbreak or perhaps to a buyer terror attack. joining thecd -- the cdc, he completed john residents at the university of michigan. he has a master's from emory university where he is also an adjunct professor. this task force appreciate your making time to be with us today. i would like to turn it over to you for some opening remarks. make sure you press that little speaker there so they can hear you on c-span. >> thank you for that generous introduction. i know you used to be the mayor of baltimore once. there's a thing in baltimore the crowd can be prepared in 50 different ways, and they are all delicious. i feel the same way about preparedness. it is all good, no matter how you do it. what i like to talk about and what i talk about with my students is that public health has always been in the health protection bu

khan. she's amazing. mary j. blige of course and influential talkers, people who have never picked up an instrument. congressman maxine walters and dr cnn will be talking as well and roland martin. you have lengthened the festival this year. used to be a three-day festival, now a four-day. why the extra day? >> the extra day is to truly formalize the empowerment for our youth. the first day now is thursday and we start with an entire conversation that's focused on what will secure our youth and we partnered with the mayor of new orleans mitch landrieu, and then with first lady of new orleans and girl up, as she calls it. such a fun name. empowering girls and connecting families and their youth to services within the community. so that's been a discussion now formally for the first full day and it ended with the first ever new and next youth concert in the superdome last night. you've never seen so many screaming 10-year-olds in your life. but it was fantastic. we're very excited with our first formal youth day. >> what's the goal? you have done the festival for how many years? >> 18. >> you took -- was it one or two years off after