Hillary Clinton’s Iowa problem

Updated 11:05 AM EST, Tue January 14, 2014

Story highlights

Pitfalls might await Clinton: Suspicious progressives and hunger for new blood

Many Democratic operatives still waiting to see who else is in race

Iowa Democrats currently focused on unusually busy midterm cycle

Democrats in Iowa have tradition of voting for underdogs

(CNN) —  

In Iowa, the state that pulled the first block out of her wobbly Jenga-game of a presidential campaign six years ago, Hillary Clinton enjoys stratospheric approval ratings, well-heeled outside groups toiling