On the same day the Obama campaign revealed the first in a series of political ads devoid of political attacks, Senior Campaign Advisor David Axelrod derided several Romney backers as "contract killers." In a conference call with reporters Monday, Axelrod said the positive spin on the new ads, focusing on Obama's accomplishments rather than reverting to political attacks, doesn't preclude the campaign from reacting when it sees fit. "We're also going to be prepared, and I want to be clear, to respond to the attacks that we expect to continue from-- not just from the Romney campaign but from the...