Too Far Left? Some Candidates Don't Buy the Argument

LONG BEACH, Calif. -- The crowded Democratic field of presidential candidates grappled with President Barack Obama's advice and legacy Saturday, the day after the former president sounded an unusual public warning about moving too far left in the primary race.While none were willing to directly rebuff Obama, a few candidates offered implicit criticism, saying that Democrats should be careful to steadfastly back the field so that whoever wins the nomination can count on enthusiastic support from