WASHINGTON (AP) — President Donald Trump is waging a retribution campaign against some fellow Republicans in Tuesday’s primary in Indiana. Seven GOP state senators who blocked his push to redraw the state’s congressional districts now face primary challengers endorsed by him. In a series of social media posts, Trump has lobbed various insults at the incumbents, calling them incompetent, RINOs — Republicans in name only — or losers. In 2025, Trump urged Republicans in several states to redraw their congressional maps to help the party maintain control of the narrowly divided U.S. House. Texas, Missouri, North Carolina and Ohio answered the call, but the effort to create new GOP seats in Indiana failed when more than half the state’s Republican senators sided with Democrats to defeat the plan backed by Trump. Eight of those state senators are up for reelection in 2026, and Trump has targeted all but one for defeat.…