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The top White House aide's remarks come amid blowback over the Justice Department backtracking on its sentencing recommendation for Roger Stone.
Thousands of passengers were facing delays on Sunday after a systems failure affecting all terminals at London Heathrow airport.
Limbaugh suggested Americans wouldn't elect Buttigieg because he is gay, saying, "How's this going to look ... on stage next to Mr. Man Donald Trump?"
The incident remains under investigation, a U.S. military official told NBC News.
Skeptics will note that Sanders was likely hurt by the large field of candidates in Iowa and New Hampshire that gave the vote more places to go.
Ukraine official Arsen Avakov communicated with Guiliani pal Parnas, but also warned Amb. Yovanovitch that Giuliani wanted her ousted as U.S. ambassador.
When the CIA gave Trump a list of major terror leaders to kill, he said he'd never heard of them. Instead he focused on a target with a famous name.
A 17-year project to build underwater floodgates in the city has been mired in delays and corruption.
Two people were injured in a knife attack in a Moscow church on Sunday.
Two bodies pulled from sea, as hurricane-force winds and monster waves rocked the region.