Senate Minority Leader Mitch McConnell’s (R-Ky.) support for the Electoral Count Act is renewing the schism between him and former President Trump, setting up a vote likely to divide the GOP caucus. Supporters are hopeful that McConnell’s backing will lead to a majority of the Senate GOP conference backing the legislation, drafted in response to the Jan. 6, 2021, attack on the Capitol that many blame on Trump. Sen. Rob Portman (R-Ohio), a co-sponsor of the bill, said he believes 20 to 30 Senate Republicans could ultimately back the proposal, which is expected to be voted on during the lame-duck...