Virginia Gov. Tim Kaine appears to be emerging as the frontrunner in the race to be named Barack Obama’s Democratic vice presidential running mate. The presumptive nominee has told close associates he has had “very serious” conversations with Obama and has provided documents to the campaign, several sources close to Kaine told The Washington Post. Sens. Joe Biden and Evan Bayh are also said to be on the short short list, according to the Post. Obama was in Washington, D.C., on ...