Reports of decreasing violence in Iraq are having repercussions on the presidential campaign. Barack Obama says he'll revise his troop-withdrawal strategy to meet existing conditions. Is that a flip-flop? Does less violence mean that John McCain is right to insist that troops stay until "victory" has been achieved? Also, today's suicide bombing outside the Indian embassy in Kabul. On Reporter's Notebook, does America's trial process keep some of the best US athletes out of the Olympic Games?