Hard-right Missouri senators held up more than two dozen nominees of Republican Gov. Mike Parson on Thursday, effectively holding the appointments hostage until senators advance a divisive proposal to make it harder to change the state constitution. The Missouri Senate collapsed into a complete meltdown as Republicans exchanged insults and personal attacks. The recriminations began after the newly formed Missouri Freedom Caucus issued an ultimatum that it would block Parson’s appointments unless the Senate passes legislation to restrict the century-old initiative petition process. The threat c…