Today’s top story from Washington was a stunner: Tom Daschle’s withdrawal as President Obama’s top advisor on healthcare. The former Senator was nominated to be Secretary of Health and Human Services and a top advisor in the Obama White House. He withdrew after a flap over his failure to pay federal taxes. Also today, Nancy Killifer withdrew her nomination as the President’s chief performance officer for similar reasons. We get an update from reporter Ken Vogel of Politico.com.