President Donald Trump's military intervention in Venezuela has emerged as a flash point in the closely watched Republican primary campaign between Kentucky U.S. Rep. Thomas Massie, a long-running Trump antagonist, and retired Navy SEAL officer Ed Gallrein, who has the president's backing. Massie, showing his non-interventionist leanings, fired off a series of social media posts criticizing the dramatic action that captured Nicolás Maduro and removed him from the South American country. “Wake up MAGA,” Massie wrote. “VENEZUELA is not about drugs; it’s about OIL and REGIME CHANGE. This is not what we voted for.” Gallrein responded that Massie had “shown...