Embattled Illinois Gov. Rod Blagojevich has been convicted at his impeachment trial by the state Senate and removed from office. He becomes the first U.S. governor in more than 20 years to be removed by impeachment.

By PBS News Hour

In the second of a series of reports examining the presidential candidates' leadership styles, Margaret Warner talks to colleagues and advisers of Sen. Barack Obama about how his decision making style would translate to the White House.