US economic growth may be setting records, but next year's presidential campaign will focus on poverty, stagnant wages and income disparity. That's if some Republican candidates have their way — including Marco Rubio, Rand Paul, Jeb Bush — and even Mitt Romney. Eight Republican governors are asking for increased taxes. Is the GOP really co-opting a core Democratic issue? How does that sound to the Koch Brothers — with plans to spend $900 million on next year's campaigns?