Westerville, UNITED STATES
Senator Booker greets Senator Sanders before the start of the fourth U.S. Democratic presidential candidates...
Senator Cory Booker reaches past Senator Kamala Harris to greet Senator Bernie Sanders as former Vice President Joe Biden looks on before the start of the fourth U.S. Democratic presidential candidates 2020 election debate at Otterbein University in Westerville, Ohio U.S., October 15, 2019. REUTERS/Shannon Stapleton