Democrats spent over $1 billion on failed presidential bids

Bloomberg’s half-billion dollar investment failed to pay dividends

Two of this cycle’s top megadonors are running for president

South Carolina donors give the greatest amount to Biden as Sanders cuts into the lead

Super PACs backing Warren and Klobuchar won’t disclose donors until long after Nevada

2020 presidential candidates’ political ad spending floods Super Bowl

Bloomberg brings the biggest bucks to the Democratic presidential primary