The last of this week's coverage from St. Louis examines education in the region. Judy Woodruff looks at a group's efforts to make college a reality for low-income students in the midst of the economic downturn.

Gwen Ifill moderated a town hall meeting in advance of President Obama's trip to St. Louis, asking local leaders and residents to assess his first 100 days as president.

As the primary campaigns conclude, columnists Mark Shields and David Brooks talk to Judy Woodruff about what the Democrats must do to unite after their unusually lengthy primary season and the prospects for a general election contest between Sens. Barack…