Falsified documents claiming Michigan’s electors voted for former President Donald Trump were given by state election officials to a congressional panel investigating the Jan. 6, 2021 riot. Sixteen Republicans, including the current co-chair of the Michigan Republican Party, signed certificates asserting they were Michigan’s presidential electors and sent the illegitimate documents to the National Archive. The unofficial documents were part of a failed Republican strategy to overturn President Joe Biden’s victory in battleground states, which is under new scrutiny from a U.S. House panel and the Michigan Attorney General’s office. Each political party nominates its own slate of electors, but...