Rep. Tom Tiffany signs onto Texas lawsuit and Sen. Ron Johnson calls hearing on election "irregularities." //end headline wrapper ?> Ron Johnson and Tom Tiffany. Two Wisconsin Republicans in Congress are aligning themselves with President Donald Trump‘s efforts to overturn the results of the November presidential election in Wisconsin and nationwide. U.S. Rep. Meanwhile, U.S. Sen. Ron Johnson, R-Oshkosh, is calling a Senate hearing to examine “irregularities in the 2020 election.” Speaking to reporters in Washington, Johnson said he would not rule out seeking to overturn the results of the Electoral College’s vote. Of all the efforts by the Trump campaign and allies to challenge the election’s outcome, the Texas lawsuit may be the most brazen. In addition to Wisconsin, it would invalidate millions of votes in Georgia, Michigan and Pennsylvania — all of them presidential swing states won by Democratic President-elect