'CONCERNED': Rep. John Kline, Minnesota Republican, says he is worried about not having enough troops in Afghanistan to "provide defensive protection." He faults President Obama's troops cap. (Associated Press)
ASSOCIATED PRESS FILE - In this Sept. 22, 2010, file photo President Barack Obama, accompanied by Health and Human Services Secretary Kathleen Sebelius, center, speaks at a private residence in Falls Church, Va.
Illinois state Treasurer Alexi Giannoulias, the Democratic U.S. Senate candidate seen here in April at a union rally, has not distanced himself from President Obama, who is still more popular in Illinois than anywhere else. (AP Photo)
ASSOCIATED PRESS Sen. Jon Tester, Montana Democrat, has been hammered by Republicans for his ties to the Obama administration's policies.
Police watch the crowd at the Oktoberfest in Munich on Sunday, Oct. 3, 2010. The Obama administration is alerting Americans to potential terrorist threats in Europe and urging U.S. citizens to be extra vigilant when they're in public places such as tourist spots and transportation hubs. (AP Photo/Matthias Schrader)
FILE - In this Aug. 4, 2010, photo, President Barack Obama and Chief of Staff Rahm Emanuel walk to board Marine One on the South Lawn of the White House in Washington for a short flight to Andrews Air Force Base as they travel to Chicago. Obama is making official what has been clear for days: Rahm Emanuel, the relentless enforcer of his agenda as White House chief of staff, is resigning. (AP Photo/J. Scott Applewhite)
FILE - In this Aug. 4, 2010, file photo, President Barack Obama, joined by adviser Valerie Jarrett and Chief of Staff Rahm Emanuel, right, on the South Lawn of the White House in Washington. Obama is making official what has been clear for days: Rahm Emanuel, the relentless enforcer of his agenda as White House chief of staff, is resigning. (AP Photo/J. Scott Applewhite)
President Barack Obama applauds as outgoing White House Chief of Staff, Rahm Emanuel, center, kisses his wife, Amy Rule, Friday, Oct. 1, 2010, in the East Room of the White House in Washington, where Emanuel's departure was announced. (AP Photo/Pablo Martinez Monsivais)
Outgoing White House Chief of Staff Rahm Emanuel winks as President Barack Obama speaks in the East Room of the White House in Washington, Friday, Oct. 1, 2010, during an announcement that Emanuel will be stepping down to run for Mayor of Chicago. Obama announced that Pete Rouse will be interim Chief of Staff. (AP Photo/Susan Walsh)
