Who’s funding the purge and why

President Donald Trump's retribution campaign is landing in Indiana. After a raft of Republican state lawmakers spurned the White House's redistricting push in the Hoosier State, the president and his allies vowed to target rebels with aggressive primary efforts to oust them from their seats. That promise is now getting backed up by a significant splash of cash for a suite of state-level races. Playbook's Adam Wren and White House reporter Megan Messerly discuss the unprecedented effort from MAGA world.