This is an indirect and “legal” way to pay them off. Someone ghostwrites a book for them (ie. Ayers for Obama) and then book sellers push the hell out of them. And then unions and other liberal organizations buy truckloads of them and either tosses them or stores them in an unmarked warehouse. Worked for the Clintons, worked for Barry, and now Mama Obama wants in on the action.
Don’t forget Jim Wright