[…] This is the closest to midnight that the clock has been since 1953, when it was moved to two minutes to midnight after United States and the Soviet Union tested their first thermonuclear weapons within six months of one another.
We understand that Mr. Trump has been in office only days, that many of his cabinet nominees are awaiting confirmation and that he has had little time to take official action.
But Mr. Trump’s statements and actions have been unsettling. He has made ill-considered comments about expanding and even deploying the American nuclear arsenal. He has expressed disbelief in the scientific consensus on global warming. He has shown a troubling propensity to discount or reject expert advice related to international security. And his nominees to head the Energy Department, the Environmental Protection Agency and the Office of Management and the Budget have disputed or questioned climate change.