‘Billionaires in wine caves should not pick the next president of the United States’: Warren vs. Buttigieg on purity tests, explained Pete Buttigieg and Elizabeth Warren epitomized a debate about how the Democratic Party should raise money. 7 years ago National Politics, PoliticsWashington Post More Articles: September 8 Cost of living drives battleground Senate race in Ohio Elon Musk’s super PAC starts spending to boost Ken Paxton in Texas