Tom Steyer tops list of all donors with over $80 million in combined donations through September 8; Adelsons rank No. 5, Soros No. 24

Former US vice president pauses Sanders' momentum, scoring well with African Americans ahead of crucial contest in 14 states; Tom Steyer drops out of race

Rival candidates in US Democratic primaries try to slow front-runner's momentum ahead of South Carolina vote and Super Tuesday, with nobody prepared to drop out of race yet

Presidential hopefuls in debate say Trump made a mistake pulling US out of nuclear accord, and have voiced support for returning to deal as president

Jewish billionaire has reportedly poured $120 million into advertising in 3 weeks, with Tom Steyer similarly spending $83 million -- far outpacing all other candidates

Party's rules for whittling down the field have drawn complaints that they are arbitrary and force candidates to pour money into expensive online fundraising

Minnesota’s Tom Emmer calls out George Soros, Tom Steyer and Michael Bloomberg in letter

Democrat hedge fund billionaire, who has called for Trump's impeachment, launches primary bid by railing at 'rigged system'