Palin launches SarahPAC. Republicans press Obama on his pledge to keep earmarks out of the stimulus package. Franken-Coleman trial gets off to a slow start. Chuck Schumer says Kirsten Gilibrand's " views will evolve" as senator. Democrats subpoena Karl Rove. Biden apologizes to John Roberts for making this snarky comment. Obama's RCP Job Approval: 63.3 percent.