The nation's credit was downgraded for the second time in history, months after a congressional stalemate took debt ceiling talks down to the wire. WATCH the ABC News Live Stream Here: youtube.com/watch?v=w_Ma8oQLmSM LIKE ABC News on FACEBOOK facebook.com/abcnews FOLLOW ABC News on TWITTER: twitter.com/abc #abcnews #stocks #debtceiling #news