Democrat Allison Montgomery will become Alabama’s first transgender legislator after she won the state’s House District 25 on Tuesday night, unseating Republican Phillip Rigsby and persevering in a district President Donald Trump won three times. Montgomery’s victory came as Democrats had an overwhelming performance in the midterm elections. Democrats flipped control of the U.S. House and U.S. Senate, as well as several gubernatorial seats, including in Texas and Ohio. State legislatures also saw Democratic victories on Tuesday night, including Montgomery’s win in House District 25 in northern Alabama. Montgomery won with 53.3 percent of the vote to Rigsby’s 46.7 percent,...