Questions and answers about the Electoral College challenges

Congress will convene for a joint session Wednesday to tally electoral votes from the 2020 presidential election in one of the last formalities before President-elect Joe Biden takes office on Jan. 20.

But the normally routine proceedings promise to be a tense affair this time around as dozens of GOP lawmakers have vowed to challenge the election results.

The Electoral College voted last month 306 to 232 to elect Biden as the 46th president of the United States, but Congress needs to record those votes before he can be sworn...