AdvertisementAnalysisA Surging Warren Faces Attacks From More Moderate 2020 CandidatesOctober 15, 2019Danielle KurtzlebenfacebookEmailMassachusetts Sen. Elizabeth Warren looks on as South Bend, Ind., Mayor Pete Buttigieg speaks during Tuesday's Democratic presidential debate. Warren's policy positions were described as unrealistic and expensive by her rivals in the Democratic debate. (AFP via Getty Images)