Former New York mayor Michael Bloomberg dropped out of the presidential race after spending a record half a billion dollars.
The top donors to presidential campaigns are spending millions of dollars on candidates. But who will they back next if their candidates leave the race?
Democratic superdelegates can bring in the campaign contributions.
We called experts from all 11 states to get the lay of the land.
Super PACs are not allowed to spend the millions they take in on campaign organizations. Some cash-rich Super Tuesday candidates were so organization poor they couldn't collect enough signatures to get on ballots in all ten states.