The Trump Factor: A Test of Republican Loyalty The primaries underway in six US states are shaping up to be a barometer of Donald Trump's influence within his own party and the Democratic Party's efforts to regain control of Congress.
In Kentucky, Representative Thomas Massie faces a primary challenge from retired Navy Seal Ed Gallrein, backed by Trump as part of the president's retaliation against lawmakers who defy his authority.
Massie has been a thorn in Trump's side on several key issues, including his opposition to releasing investigative files related to Jeffrey Epstein.