Cassidy Loses Louisiana Senate GOP Primary as Trump Backed Challenger Advances to Runoff Incumbent Senator Bill Cassidy has lost the highly anticipated Louisiana Senate Republican primary.
Despite a strong effort, Cassidy fell short of securing the nomination, paving the way for a runoff election that will determine the Republican Party's nominee.
The Challenger Emerges: Meet Jeff Landry, Trump Backed Candidate Advancing to Runoff Jeff Landry, a former U. S. Representative and conservative advocate, emerged as the victor in a crowded field of contenders.