CASSIDY trails behind Letlow, Fleming in Louisiana’s GOP Senate primary:

Sen. Bill Cassidy (R-La.) is falling slightly behind his GOP challengers ahead of Louisiana’s Republican primary, according to a new poll. The incumbent senator is currently in third place among likely Republican primary voters in the state, according to an Emerson College poll released Thursday. Louisiana State Treasurer John Fleming (R) received 28 percent of respondents’ support, and Rep. Julia Letlow (R-La.) received 27 percent while Cassidy garnered 21 percent. Twenty-two percent of the poll’s respondents said they are currently undecided on their vote in the state’s May 16 Republican primary election, which is now less than three weeks away....