The Senate Majority PAC and an affiliated nonprofit have injected themselves into Ohio and Montana Republican primaries this cycle... Groups aligned with Senate Majority Leader Chuck Schumer have meddled in several Republican primaries this election cycle, a tactic that has been underway a number of years. The Senate Majority PAC (SMP), which works to elect and keep Democrats in Congress' upper chamber, has targeted Republican primaries in at least two states for the 2024 elections. SMP tends to maneuver using other groups to conceal its involvement until after the primaries. It mainly targets swing states by boosting candidates supported by...