"I commend the appointment of a special counsel to lead the investigation of Russian interference in the 2016 election and Russian ties to President Donald Trump and his associates".
Mr Mueller will have sweeping powers and the authority to prosecute any crimes he uncovers.
The White House has disputed Comey's account of his February conversation with Trump concerning Flynn but has not offered specifics. Burr says the panel's members are not surprised and says, "We'll figure out on Gen. Flynn what the next step, if any, is".
"'I think it could be' impeachable, Jones told POLITICO", the outlet reports.
Advisers are urging Donald Trump to hire an outside lawyer as the investigation into Russian meddling in the presidential election - and whether there was collusion with his campaign staff - moves forward.
Now, just as talks of impeachment reach the floor of Congress, it seems those who keep the presidency afloat-scheduling Trump's daily events, meetings and classified intelligence briefings-could soon be on their way out, fearing permanent stains on their careers, being fired by their boss and the uncertainty of his own possible removal.
Meanwhile, Senate Democrats met in private Wednesday to brainstorm how they were going to grill Rosenstein - including pressing him to name a special prosecutor.
He's highly respected, very good guy, very smart guy.
"Mueller is exactly the right kind of individual for this job", said Senate Minority Leader Charles Schumer (Democrat).
Asked about the potential that there had been obstruction of justice, Republican House of Representatives Speaker Paul Ryan told reporters the special counsel will "follow the facts where ever they may lead" and that "it is premature to prejudge anything at this point".
Former US Rep. Anthony Weiner faces charges in sexting case
Clinton believes the hit her campaign took from the revelation led her to lose the election to Donald Trump. Weiner pleaded guilty to a charge of transmitting sexual material to a minor and could get years in prison.
"A thorough investigation will confirm what we already know - there was no collusion between my campaign and any foreign entity", he declared.
"The committee looks forward to receiving testimony from the former Director on his role in the development of the Intelligence Community Assessment on Russian interference in the 2016 USA elections, and I am hopeful that he will clarify for the American people recent events that have been broadly reported in the media", Sen.
At the State Department Thursday, Secretary of State Rex Tillerson came to Trump's defense.
Mueller, he explained, will be "completely siloed off from the Department of Justice and the Federal Bureau of Investigation".
In former FBI director Robert S. Mueller III, Mr. Rosenstein has selected someone with the stature and experience to conduct a thorough, credible investigation.
Of course, Graham is no friend of Trump and has opposed him from the beginning of the term, but he's taking his opposition up another notch over the Comey investigation.
There have been whispers for days now of what it's like working for Trump, the billionaire New Yorker and insurgent candidate who took over the Oval Office without any political experience.
But Mr Trump's missives on Twitter - the venue that the president most frequently turns to express his sense of grievances - not only underscore that he disagrees with his own Justice Department, but undercut claims by his own aides Wednesday that he had processed the news with grace and calm.