(AP) — Vice President Joe Biden on Friday condemned the political gridlock crippling Washington, calling on Republican and Democratic governors alike to lead the nation "out of this mess" while insisting that Congress approve billions of dollars to repair the country's aging infrastructure. The vice president's comments came during the first day of the governors' three-day conference in Nashville, where state leaders from both parties gathered to collaborate despite intensifying partisan differences on immigration, health care and education. New Jersey Gov.