Elizabeth Warren told Bernie Sanders he called her a liar on national TV
Sanders disputed that claim before and during the debate but Warren insists it's true.
FILE PHOTO: Democratic 2020 U.S. presidential candidates (L-R) Senator Elizabeth Warren (D-MA) speaks with Senator Bernie Sanders (I-VT) as billionaire activist Tom Steyer listens after the seventh Democratic 2020 presidential debate at Drake University in Des Moines, Iowa, U.S., Jan. 14, 2020(photo credit: REUTERS FILE PHOTOS)ByREUTERS
