What do mariachi classes, wine studies and the Rock and Roll Hall of Fame have in common?

They were all funded by federal Department of Education earmarks, according to an extensive new report released Thursday by Sen. Tom Coburn.

The Oklahoma Republican, in a study called "School House Pork," is urging the federal government to suspend these education "slush funds" after finding that lawmakers have secured 5,563 such earmarks, worth $2.3 billion over the past decade. While earmark advocates argue they're a way to ensure taxpayer money is going toward worthy projects, Coburn's report claims the recipients often were not "deserving or needy" of the extra funding...