Rep. Julia Letlow (R-La.) and Louisiana State Treasurer John Fleming ousted incumbent Sen. Bill Cassidy (R-La.) in the Republican primary election in Louisiana on Saturday. Letlow won more than 45.2 percent of the vote, while Fleming received 28.3 percent, and Cassidy received 24.4 percent, according to the results after 98 percent of the votes were tallied by 11:50 p.m. Saturday night. Letlow and Fleming face a runoff election on June 27 after neither received more than 50 percent of the vote. The winner of the runoff election will likely go on to represent the state in the U.S. Senate. The Republican-leaning state has not had a Democrat senator since 2015....