The Iowa State Fair draws presidential wannabes like cows draw flies.
Anyone who sees the White House in their dreams is obliged to make the pilgrimage to Des Moines to yak up farmers, gnaw on corn cobs and woo the precinct delegates who will vote in Iowa's critical first-in-the-nation presidential caucuses.
So why is former Michigan Congressman Mike Rogers strolling the Iowa fairgrounds this week with a corn dog in his hand?
