Views are evenly split on sending additional U.S. troops to Afghanistan. Opposition has dropped from 50 percent in mid-September to 46 percent today, while support for the troop increase is up from 41 percent to 46 percent now.

Party breakdowns show Democrats continue to oppose sending more troops by a large margin (61 percent to 32 percent), and Republicans continue to support the troop increase by a nearly equal margin (65 percent to 29 percent). By a 10-percentage-point margin, independents oppose the idea (50 percent to 40 percent).

Regarding next steps in Afghanistan, Americans are much more likely to trust the top commander in Afghanistan, Gen. Stanley McChrystal (62 percent) over President Obama (22 percent).