Obama: Rest of my presidency is for working-class America

President Barack Obama pledged Wednesday to focus his energy for the rest of his presidency on the core tenet of his election victories -- equal opportunity for all Americans -- starting with a campaign-style speech on the economy that also appeared to launch this year's budget battle with Republicans.
Confronting deep partisan divide over federal spending, tax reform and raising the debt ceiling later this year, Obama told a raucous crowd of hundreds at Knox C