After President Obama’s speech in St. Louis this afternoon, the St. Louis Post-Dispatch reports he will attend a fundraiser for Sen. Claire McCaskill (D-MO) who isn’t up for re-election until 2012. Meanwhile, Robin Carnahan (D) — who is running for U.S. Senate this year from Missouri — will actually be in Washington, D.C. Carnahan “has kept a political arm’s length from the president, careful not to appear in lockstep with the White House on key issues.”