"I really - If I were the president, I would be welcoming this investigation", Rubio said.
But Jay Sekulow, part of Trump's legal team, said the president was writing about reports of an investigation, not an actual probe.
Trump had tweeted: "I am being investigated for firing the FBI Director by the man who told me to fire the FBI Director!"
Real Madrid hailed as "Masters of the Universe" after crushing Juve
Zidane was an assistant to Carlo Ancelotti when Madrid won its 10th Champions League trophy in 2014 to end its title drought. It's why you're a footballer, it's the reason I came here. "I'm not going to confirm I'll stay here all my life".
The president has denied that he has any nefarious ties to Russian Federation and has also disputed that he's attempted to block the investigation into his campaign's possible role in Russia's election-related hacking.
This is published unedited from the IANS feed.
"He said that if, in light of all of this, the removal of James Comey would lengthen the amount of time that this investigation would take - he thought it was in the best interest of the American people", he concluded. He said he had only been discussing the constitutional problem posed if the president were being investigated.
On Friday, the president issued a tweet that seemed to confirm the Washington Post report. "I don't believe it's going to happen".
Speaking on CBS's Face the Nation, he said: "The fact of the matter is the president has not been and is not under investigation".
With Whole Foods, Amazon on collision course with Wal-Mart
Much more impactful is the reality that Amazon's technology could make grocery stores as we know them obsolete. Amazon poses a "real threat" to FreshDirect , Burt said, adding, "There's room for one more player".
The president suggested on Twitter that he may have taped those conversations.
In a two-part tweet posted before 7 a.m. Sunday, Trump wrote: "The MAKE AMERICA GREAT AGAIN agenda is doing very well despite the distraction of the Witch Hunt". "So here's what you have", Sekulow said. Angus King, an independent from ME, stressed that the probe will likely last for a long time.
"These investigations continue to move forward", Rubio said.
Rubio also appeared on CNN, where he was asked by the secretive nature of the Senate's health care bill. "And it hasn't impeded the work of the Senate Intelligence Committee".
Trump returned to the White House on Sunday after spending Father's Day weekend at the Camp David presidential retreat.
Two US soldiers killed in attack by Afghan soldier
A spokesman for the US military command in Kabul claimed they were aware of the report , but could not yet confirm any details. Afghan officials told the BBC the friendly-fire airstrike in southern Helmand province also killed several militants.
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