Tuesday's US primaries in Alabama, Georgia, Idaho, Kentucky, Oregon and Pennsylvania have provided key takeaways. President Donald Trump has racked up several wins this primary season.
Trump's vanquishing of Thomas Massie sends a forceful message to the president's Republican critics. This result serves as a warning shot to Republicans considering a break with the president.
While Trump continues to rack up victories on his vengeance tour, general election opponents are waiting in swing districts and swing states. Front-line GOP candidates now face the challenge of navigating these choppy waters.