The president’s explosive Oval Office encounter reflected his determination to put aside alliances and commitments to principles in favor of raw great power negotiations.

Lisa Murkowski delivered a scorching rebuke Saturday of President Donald Trump’s explosive exchange with Ukrainian President Volodymyr Zelenskyy, a rare voice of Republican dissent as party members lined up in support of the president’s increasingly combative relationship with Ukraine.

The US administration of President Donald Trump has made it clear that it sees Volodymyr Zelenskiy as an obstacle to aiding Ukraine.