The four Senate races that are the purest tossups are currently in Wisconsin, Montana, Virginia and Nevada where Rep. Tammy Baldwin (above), Sen. Jon Tester, ex-Sen. George Allen and Rep. Shelley Berkley are running, respectively.
If voters decide they want change and blame the president for the status quo, Democratic Senate candidates in competitive races could well receive a shock that they are not now expecting. But it probably won’t be until after the presidential nominating conventions that the final direction of the election cycle starts to become clear. If and when that happens, the outlook for the Senate will start to clear up as well.
Vice President Joe Biden waits to conduct a mock swearing-in ceremony with Sen. Brian Schatz, D-Hawaii, in the Capitol's Old Senate Chamber, December 2, 2014. Schatz was sworn in to serve the remainder of his term since he was appointed to the seat after Sen. Daniel Inouye, D-Hawaii, passed away.