UPDATED 6:01 AM EST, December 7, 2012
WASHINGTON (AP) — The presidential election witnessed unprecedented sums of cash boosting two men in their quest for the White House. It cost more than $2 billion and sometimes provided a cloak of anonymity for billionaire donors.
It was the first election in which "super" political action committees flourished. They drew from deep wells of money from wealthy Americans and used it to blitz television viewers with seemingly endless political ads.
