House Republican leaders say they'll vote this week to raise the debt ceiling and pass a balanced budget amendment, while President Obama dismissed the idea as empty politicking. After six, Joy Cardin and her guest examine the latest in the debt-ceiling stalemate and whether the U.S. will avoid default. After six-fifty, it's The Monday Morning Wake-Up Call. Joy's guest says we should take this week's heat wave very seriously, and has some tips on staying cool . . . and safe.