Who is paying for the presidential race? Some answers coming

WASHINGTON (AP) — Americans will soon get a look at the presidential picks of some of the nation's richest donors and a progress report on the money flow inside the presidential campaigns.
Late Sunday, on the eve of the Iowa caucuses that mark the start of voting for the 2016 election, super political action committees will reveal their donors for the first time in six months, under a fundraising reporting deadline. Contributors to super PACS are allowed to give as much money as they want. The candidates' official campaigns, which collect smaller checks, must also report their end-of-year fundraising and spending activities Sunday.