Obama scrambles to revive economic optimism

President Barack Obama is seeking to reassure voters he's determined to create jobs while his administration is trying to protect an architect of the increasingly unpopular banking bailout that may have helped prevent a financial collapse.

Obama's efforts on the economy come after a Massachusetts Senate election this past week that suggested voter unrest when Republican Scott Brown claimed a Senate seat in Democratic hands for more than a half-century. Brown gives the GOP a 41st vote in the Senate, taking away the Democrats' supermajority and threatening Obama's agenda.

And the administration has been working to shore up eroding support for Federal Reserve …