JEFFERSON CITY, Mo. — Missouri Senate President Pro Tem Caleb Rowden stripped a group of hard-right senators of their committee chairmanships on Tuesday, an extraordinary punishment aimed at breaking the gridlock gripping the chamber. The move from the Senate’s top Republican leader sidelines members of the Missouri Freedom Caucus, who have used procedural tactics and personal attacks to push conservative legislation in ways that have angered the overall GOP majority. “The beginning of the 2024 legislative session in the Senate has been nothing short of an embarrassment,” Rowden, who is runnin…