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Now Playing: 07-23-12 Marketplace Mid-day Update

There seems to be a major case of the "Mondays" going on in Europe, as Spain struggles with a new round of troubles. As the 19th International AIDS Conference gets underway in Washington, D.C., it is clear that we've reached a critical juncture in the AIDS fight. And Teach for America, the program that recruits recent college grads to work in underperforming schools, is making a push into the political arena. Former TFA grads already have won seats in state houses and on local school boards.