Back on American soil from his first foreign trip, President Trump on Sunday held meetings that could shake up White House operations and released a flurry of Twitter posts dismissing White House leaks as “fake news.”

His remarks were the first time he had weighed in since reports surfaced that his top adviser and son-in-law, Jared Kushner, had considered setting up a secret communications line with Russia during the presidential transition to discuss the country’s military operations in Syria and other issues.

...