Republicans sued three battleground states this week. Here’s what you need to know

Republicans are reprising efforts to legally challenge election law in three key battleground states that could help decide who wins in November.

Michigan, North Carolina and Nevada are targets of the blitz, led by the Republican National Committee alongside state parties who are questioning election integrity when it comes to absentee ballots, the use of digital voter cards and whether noncitizens are being allowed to vote.

All three states were narrowly won in 2020 with Trump...