"I've been concerned that we haven't spoken up loudly enough and told the president, 'You simply can't go there,"' Flake said yesterday on NBC's Meet the Press. Of course, we have to do it in defending the President. You can't - if there is collusion with a guy 50 rungs down on the campaign - not that I'm saying it happened, but, if it did, I don't know - I don't know what that means. "Everything wrong with the government spying on a candidate of the opposition party".
"Which is where I think, if they're sneaky, they're going", Giuliani speculated about Mueller's team.
The former NY mayor is seeking a readout of the classified information Justice Department officials shared with lawmakers on Thursday about the origins of the FBI investigation into Russian meddling.
Asked by CNN's Dana Bash on Sunday whether there was a larger strategy to undermine the investigation at play, Giuliani said he "couldn't do it if they didn't have the material".
While Giuliani seemed to admit that much of Trump's attacks against the Russian Federation investigation were for show, the president himself continued on the attack. "They're the Watergate. They're the people who have committed the crimes".
Donald Trump's regular attacks on the US Justice Department, including accusations that the FBI spied on his campaign, strike some critics as "boiling the frog" - seeing how far he can push his fight against a federal investigation ensnaring his administration.
Giuliani says that Trump wants the interview but that he personally can't recommend it "if this is a trap for perjury". "I'm saying the basis on which he was appointed was illegitimate", Giuliani remarked. Trump canceled that meeting Thursday, but it may still take place. Trump has not said definitively whether he would interview with Mueller.
Lawmakers on both sides of the aisle have expressed fears that Trump could fire Mueller or Deputy Attorney General Rod RosensteinRod Jay RosensteinThere is no justice in undermining the special counsel investigation Schumer: Call off GOP-only "sham briefing" on FBI informant Bowing to pressure, White House to host bipartisan briefing on Russian Federation investigation MORE, who appointed Mueller.
Whether Trump will agree to be interviewed remains uncertain.
On ABC's This Week on Sunday, the Democrat Adam Schiff, ranking member of the House intelligence committee, said: "This is part of the propaganda machine".
"I haven't seen any yet but maybe there is, and if it's there, we'll find it and we want to know about it", said Mr. Rubio, Florida Republican.
'And the American people are, Republicans largely, many independents, even some Democrats now question the legitimacy of it. Democrats I would suggest for their own self interest, this is not a good issue to go into the congressional elections, ' he added.