President Donald Trump attacks U.S. Sen. Bill Cassidy in Louisiana’s Republican primary, where Cassidy faces a Trump-backed challenger on Saturday. Multiple outlets report that Trump portrays Cassidy as insufficiently loyal to his political agenda, using public criticism as part of his push to influence the outcome of the intra-party race. Cassidy is described as the Senate leader of a health policy committee, and the primary is framed as a high-stakes effort to determine whether he retains the nomination. The coverage emphasizes that the president’s involvement is aimed at weakening or replacing Republicans he deems not aligned closely enough with him, and that Cassidy is among those targeted. The reports also note that Cassidy is actively campaigning to defend his position in the primary, while the challenger receives Trump’s support and prominent attention. The election determines the Republican nominee for Louisiana’s Senate seat, with the broader context of Trump’s broader strategy toward Republican officeholders seen as a factor in the contest.