Sen. Jon Tester, D-Mont., receives a kiss from his grandson Wednesday in Great Falls, Mont. Tester won re-election in a tight contest with Republican Rep. Denny Rehberg. Michael Albans/AP hide caption

itoggle caption Michael Albans/AP

A file image shows the flooded Red River separating Moorhead, Minn., (right) from Fargo, March 2010. National Weather Service forecasters say that the chance for major flooding this year is above 90 percent. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images