Republican Sen. John McCain says he's considering running for a sixth term in 2016, the year he turns 80.
Sen. Ted Cruz, R-Texas, declines to say whether he'll run for president.
Jim Messina managed Obama's 2012 campaign, remains close to White House
Walker, a potential presidential candidate, lauds man with rap sheet.
By 50%-30%, Virginia voters say they support Democratic Sen. Mark Warner over GOP challenger.
Democrats Michael Bennet of Colo. and Patty Murray of Wash. show pride in their football teams.
President Barack Obama suggested that some Republicans had begun to soften their opposition to increased tax rates on the wealthiest Americans, but sharply warned the GOP against looking to tie their budget fight to an upcoming debt-ceiling debate.