Colin Reed
FILE - In this Oct. 19, 2019, file photo Democratic presidential candidate former Vice President Joe Biden and Sen. Elizabeth Warren, D-Mass., participate in a Democratic presidential primary debate hosted by CNN/New York Times at Otterbein University in Westerville, Ohio. Warren, a Massachusetts senator and leading progressive, has become an unlikely confidant and adviser to Biden, the presumptive Democratic presidential nominee. They talk every 10 days or so, according to aides to both politicians who requested anonymity to describe their relationship. (AP Photo/John Minchillo, File)
Elizabeth Warren's new role: Key Joe Biden policy adviser

By Will Weissert Jul. 22, 2020 12:19 AM EDT