Focused largely on policy differences and explanations, last night’s debate between Hillary Clinton and Barack Obama was a civil, even friendly conversation - far different than in South Carolina January 21.

But there were some good barbs exchanged.

Perhaps the most protracted issue among two candidates who feel similarly about many issues, but are running ideological campaigns (experience vs. change) against the other, was the Iraq war.

In the clip below, Hillary Clinton tries to explain her vote to authorize military force in Iraq, while Obama emphasizes that despite his age, his judgment was correct from the beginning on this issue…

This exchange followed a longer discussion of Iraq war between Hillary Clinton and Barack Obama. Follow the jump to see it …