VOA常速英语2008年-Presidential Contenders Clash over Iraq

The Capitol Hill appearances of the top U.S. military commander in Iraq and the U.S. Ambassador in Bagdad this week gave the three current White House contenders a focal point - - and on-camera time - - in their elected roles as Senators on the Armed Services and Foreign Relations Committees. And the two Democrats¹, Hillary Clinton and Barack Obama, continued to scour² Pennsylvania for votes in hopes of derailing each other's campaign momentum³.  VOA's Jeffrey Young has this week's political wrap-up.