Richard Burr said that the subpoena is being issued because Flynn is refusing to cooperate and hand over the records on his own accord.
Cruz read a portion of the Immigration and Nationality Act, the law that lets the president bar immigrants from certain countries if it's in the public interest.
"My White House counsel, Don McGahn, came back to me and did not sound like an emergency", Trump told NBC News. "I think ultimately we were proved right about who needed to be in the loop on that, because she ultimately chose to disregard the president's lawful order".
Earlier, following Monday's Senate judiciary subcommittee hearing on Russian interference in the United States election, Trump tweeted, "The Russia-Trump collusion story is a total hoax, when will this taxpayer funded charade end?" Yates earlier this week testified that she warned White House officials Flynn that could be "blackmailed by the Russians" due to his conversations.
Senator Richard Burr (R-NC), Chairman of the Senate Select Committee on Intelligence, and Senator Mark Warner (D-VA), Vice Chairman of the Senate Select Committee on Intelligence, announced that Senate Select Committee on Intelligence today issued a subpoena for former National Security Advisor Lieutenant General Michael Flynn.
During a Tuesday press conference, Cornyn, who also asked Yates about her decision to defy Trump, suggested that FBI Director James Comey's testimony to the Judiciary Committee last week was sufficient to address the impact of Russian interference in the 2016 election.
Flynn was not dismissed until 18 days after Yates alerted the White House that the senior aide had lied to the vice president about his conversations with the Russian ambassador in the course of the transition. And never mind that Yates served under both Democratic and Republican presidents, and never mind that she didn't find out about the Muslim ban until long after she had reported on Flynn, and never mind that the ban itself wasn't even announced until long after she had reported on Flynn.More news: Trump's lawyers say his tax returns show few Russian Federation dealings
"This was a problem because" it "created a compromised situation" where the national security adviser "essentially could be blackmailed by the Russians".
"President Obama made it known that he wasn't exactly a fan of Gen. Flynn's", White House spokesman Sean Spicer said.
Flynn was sacked by Trump after less than one month on the job.
Yates testified that it was available when she called the White House's lawyer, Don McGahn, on January 30 - three days before the White House said it had access to it.
"The underlying conduct that Gen. Flynn had engaged in was problematic in and of itself", she testified Monday. Flynn resigned February 13 after being asked to step down. She didn't refuse to enforce the travel ban until January 30 - the same day she was sacked.
The tweet appeared to be referencing Clapper's answer to a question from Sen.