Democratic 2020 U.S. presidential candidates former Vice President Joe Biden

Democratic 2020 U.S. presidential candidates (L-R) former Vice President Joe Biden greeets Senator Bernie Sanders (I-VT) as they take the stage for the seventh Democratic 2020 presidential debate at Drake University in Des Moines, Iowa, U.S., January 14, 2020. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY