Just start handing out trillion dollar coins. Problem solved.
1. First, we have to define "poor." In the current zeitgeist it seems that the only people who aren't considered poor under any circumstances are millionaires. Ergo, a person with a million dollars cannot be considered likey one of the dreaded "working poor." So a million dollars it is.
2. Next, we instantly cure poverty by sending a check for $1 million to every American American citizen who isn't already a millionaire.
3. It would cost $300 trillion to honor these checks, so we get the mint to coin 300 $1 Trillion dollar coins. We could put LBJ's face on them as a consolation prize for having lost the War on Poverty. Obama can keep them in his bottom desk drawer. That way he can shine them whenever he likes and look at his majestic reflection in them.
Voila! Problem solved!! Next up: providing enough whellbarows so that no American is left without a way to carry enough money when he goes to the grocery store for bread.