A key test for Joe Biden’s presidency will be how he prevents the broad coalition that got him into the White House from splintering once he begins governing.

TOPSHOT – US President-elect Joe Biden delivers a Thanksgiving address at the Queen Theatre in Wilmington, Delaware, on November 25, 2020. – Biden called for an end to the “grim season of division” in the holiday speech . “I believe that this grim season of division, demonization is going to give way to a year of light,” Biden said. (Photo by CHANDAN KHANNA / AFP) (Photo by CHANDAN KHANNA/AFP via Getty Images)