lisa fletcher reports. >> around the corner from the nation's most famous residents charles gladden wakes up before sunrise, with the sounds of the commutes. >> people on their way to the to work, commuters, they don't want to look my direction. they turn their head, walk past and didn't hurry up downstairs on the escalator. >> reporter: gladden is one of nearly 8,000 people living in the nation's capital. he spends most nights outside this downtown metro station. >> i sleep two blocks from the white house and the president doesn't even have a clue. >> reporter: but unlike many in his situation gladden has a job at one of the last places you might expect. >> i work in the office building of the u.s. senate. the nation's lawmakers. and i'm out there in the street, panhandling asking for nickels and dimes. >> reporter: >> reporter: behind these gleaning walls, there are many who don't make a living wage. during a good week, gladden takes only $350, barely enough to pay for his food, clothes and the medication he needs for his diabetes. >> i'm an embarrassment of the nation working for those who make the laws