Rep. Mo Brooks (R-Ala.) is hunting for a Senate Republican to take part in his guaranteed-to-fail effort to overthrow the election results on Jan. 6. The fight is emerging as a division point between Senate GOP leadership and President Trump. Senate Majority Leader Mitch McConnell (R-Ky.) is privately warning his caucus against objecting because it would force a high-profile vote that would not change the outcome, while Trump has publicly endorsed the effort and met with a group of conservative firebrands to plot strategy. There’s no chance Republicans backing Trump will be able to block the results when Congress formally...