President Donald Trump said Friday he would consider a far-fetched proposal for Elon Musk’s Boring Company to build an undersea rail tunnel connecting Alaska and Russia — an idea pitched by an envoy for Russian President Vladimir Putin.

Ukrainian President Volodymyr Zelensky spoke exclusively with NBC News’ Meet the Press following his meeting with U.S. President Donald Trump at the White House.

Following the meeting, which Zelenskyy described as productive, he told reporters he did not want to talk about long-range missiles, saying the US did not want escalation, and that he was “realistic"...