Mitt Romney has worn his opposition to the Obama administration's bailout of GM and Chrysler into Michigan as a badge of honor in the lead up to the state's Republican presidential primary at the end of the month.
But that message may be a harder sell for him against the backdrop of GM reporting Thursday that it posted record profits in 2011 of $7.6 billion, 62 percent higher than the previous year's.
To win the 2012 Republican presidential nomination, a candidate must secure 1,144 delegates, a simple majority of those available. But how delegates are chosen differs state by state.
On Thursday's Fresh Air, political scientist Josh Putnam, author of the blog Frontloading HQ, explains how delegates are chosen, why the process varies by state, and how reforms instituted since the 1968 Democratic National Convention have changed the process of delegate selection.