Comey memos: Trump exploded at Flynn over delayed return call to Putin

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Donald Trump with Michael Flynn

• President Donald Trump questioned the judgment of Michael Flynn, his former national security adviser.
• One source of tension appears to have come from Flynn's delay in responding to a congratulatory phone call from Russian President Vladimir Putin.

President Donald Trump questioned the judgment of his former national security adviser Michael Flynn, according to memos written by former FBI Director James Comey that were published Thursday evening.

And some of Trump's ire at Flynn came from the White House's delay in responding to a congratulatory phone call from Russian President Vladimir Putin.

According to Comey's account of Trump's story, Trump was giving a toast to UK Prime Minister Theresa May and explained she had been the first to congratulate him after he won the presidency. However, Flynn interrupted Trump to inform him that another world leader had called first.

The identity of the leader who first called Trump was redacted in the memo. However, people familiar with the situation said it was Putin, according to a Wall Street Journal report on Thursday.

Flynn said a return call to that leader was scheduled. But Trump appeared to have been irritated by the delay.

"Flynn said the return call was scheduled for Saturday, which prompted a heated reply from the President that six days was not an appropriate period of time to return a call from the [redacted] of a country like [redacted]," Comey wrote of Trump's account of conversation.

"This isn't [redacted] we are talking about," Trump said, according to Comey.