Examining President Trump’s praise of a rallygoer who punched a protester last week, David E. Sanger, a White House and national security correspondent for The New York Times, studied the atmosphere at Mr. Trump’s recent events. What he found was a faint echo of the moments that made Mr. Trump’s 2016 rallies so shocking.

After Russia released an American prisoner, President Trump’s special envoy praised President Vladimir V. Putin as “a humanitarian.” Our White House and national security correspondent, David E. Sanger, describes how the release comes amid Mr. Trump’s broader shift toward Russia and away from Ukraine.