For a minority party, the Republicans have dominated President Obama's attention over the past few weeks as he uses every speaking engagement to poke holes in the GOP's credibility.

Despite having just 178 of 435 votes in the House and 40 - soon to be 41 - of 100 in the Senate, Republicans have been Mr. Obama's chief focus recently as he calls for bipartisanship, but slaps the GOP as unwilling to step up and help govern for the good of Americans.

Beginning with his State of the Union address last week, he laid down a challenge to Republicans and has repeated it nearly every day since: Now that they're able to filibuster in the Senate, they have responsibility to share in governing the country...