Joe Walsh and Bill Weld, two of the three Republicans challenging President Donald Trump for their party's 2020 presidential nomination, are set to meet in a debate on Tuesday, hoping to bring attention to their long-shot candidacies.

Two of Trump's Republican challengers to debate without him

US Senator Elizabeth Warren has hired the largest campaign staff in the run-up to the 2020 presidential election, quickly building a payroll that far exceeds her Democratic rivals, according to disclosures filed with the Federal Elections Commission.

Elizabeth Warren builds largest United States presidential campaign staff

US President Donald Trump blasted Democrats as "anti-Israel" and "anti-Jewish" Friday after they passed a congressional measure opposing hate speech in general instead of specifically condemning alleged anti-Semitic comments by a Muslim congresswoman.

Donald Trump brands Democrats an 'anti-Israel' and 'anti-Jewish' party

Hillary Clinton has for the first time ruled out running for president in 2020. "I'm not running, but I'm going to keep on working and speaking and standing up for what I believe," Clinton said Monday in an interview with News 12, a local TV channel in New York.

Hillary Clinton rules out running for 2020 presidential run

US Representative Tulsi Gabbard, an Iraq War veteran who at times has had a spiky relationship with the Democratic Party, on Saturday added another liberal voice to a burgeoning field of candidates seeking the party's 2020 presidential nomination.

US Congresswoman Tulsi Gabbard officially declares 2020 presidential nomination