All the while , Obama 's own campaign machinations have largely skated under the radar , allowing him to appear to be the adult in the room as the Republican candidates fight over contraception , illegal immigration , the minimum wage and each others ' pasts . Some leading Republicans think it 's time to wrap up the race . While Republican candidates spar , Obama campaign can quietly prepare for fall . Comment: Republican enthusiasm , support from independents falling as campaign goes on .
Some leading Republicans think it 's time to wrap up the race . While Republican candidates spar , Obama campaign can quietly prepare for fall . Comment: Republican enthusiasm , support from independents falling as campaign goes on .