By Simone Pathé and Bridget Bowman and Bian Elkhatib

Rep. Dan Lipinski, D-Ill., is getting a Democratic challenger, and Trump’s upcoming visit to Pennsylvania could be a factor in the 18th District’s special election. Senior political reporters Simone Pathé and Bridget Bowman break down three campaign stories you may have missed in the news this week. Subscribe to their weekly newsletter, At the Races, here.