(BEGIN VIDEO CLIP)
DOWD (voice-over): Good morning, and welcome to "This Week." A hundred days to go, and both candidates are on the defensive.
ROMNEY: There were a few things that were disconcerting.
DOWD: Governor Romney offends U.S. allies overseas.
JOHNSON: There's a guy called Mitt Romney. He wants to know whether we're -- whether we're ready. Are we ready?
DOWD: While here at home, President Obama struggles to clarify his comments about private business.
OBAMA: You...Full Story