Joe Biden won the presidency by stitching together a broad coalition of voters — Black and white, from young progressives to former Republicans, and across cities and suburbs — united by a singular mission to defeat President Trump.
But once Biden takes office, and without Trump as an adversary, a key test for Biden's presidency will be how he prevents the broad coalition that got him into the White House from splintering once he begins governing.
Staking a claim to the win