"You know, it's pretty silly for the president to demand something that he can't get legally", Bolton told ABC News ahead of Trump's meeting with Putin in Helsinki.
But Jon Huntsman, the USA ambassador to Russian Federation, says Monday's meeting "is really the first time for both presidents to actually sit across the table and have a conversation and I hope it's a detailed conversation about where we might be able to find some overlapping and shared interests".
"Finland arranges and organizes the meeting, offers the services of the host, and this has always been our way of thinking even in the coldest days of the Cold War", Torstila said.
Trump has blamed the Democratic National Committee for "allowing themselves to be hacked".
He again described Justice Department special counsel Robert Mueller's ongoing investigation as a "witch hunt" that has hampered US relations with Russian Federation.
President Donald Trump says the testimony of an FBI agent who was removed from the special counsel's Russian Federation investigation was "an absolute disgrace".
Paul also says Putin isn't going to extradite the 12 Russian military intelligence officials charged with hacking Democrats. "Do you find that in any way credible?" "I don't believe we've put enough resources as a nation into investigating what happened two years ago and making sure it never happens again". He reiterated the invitation on a call with Putin this spring and initially told aides that he wanted to have the meeting at the White House.
PRESIDENT TRUMP: Well I might.
President Trump says United Kingdom protests make him feel 'unwelcome'
Anti-Trump protesters lined the road up to the building, but it is unlikely the Trumps - who arrived via helicopter - saw them. Johnson resigned as foreign secretary on Monday, in protest over May's proposal for a "soft" Brexit from the European Union.
The indictments, announced as the President was visiting Queen Elizabeth at Windsor Castle, prompted a joke, not a condemnation, from Trump, even though he was briefed in advance that the charges were coming. "I spoke with him about it".
"That in combination with meeting with Putin, and the rise in populism and authoritarianism, clearly suggest that this man has a view of the world - muscular, unilateral, zero-sum game, transactional. He may come in with maps of Syria, maps of Ukraine, and, frankly, I think he'll take advantage of this President, who we know doesn't do much prep work before these meetings".
Bolton also said he finds it "hard to believe" that Putin was not aware of an effort by Russian military intelligence officials to interfere in the 2016 USA presidential election. Russia forced the U.S.to draw down its diplomatic presence in the country last summer - a delayed response to President Obama's ordering expulsions of Russian diplomats in retaliation for Moscow's interference in the 2016 election. I think the European Union is a foe, what they do to us in trade.
Speaking on the BBC, she said: "He told me I should sue the European Union - not go into negotiations". So Paul says "it'd be a moot point" for President Donald Trump to ask about it at their summit Monday. It's a privilege to give my advice to the president. For everyone. Please, make good decisions...
Still, what the US must really be vigilant for is a push by Russian Federation to ease sanctions on North Korea so that it can reignite economic activity.
"Well, I think we're quite concerned about it", Bolton said.
In advance of the meeting, a major concern in the United States is how forcefully Trump will confront Putin in the wake of new information released in Washington, DC this week over alleged Russian cyberattacks during the 2016 presidential vote.
As Mr Trump departed the White House ahead of the North Atlantic Treaty Organisation summit in Brussels last week, he added: "I have North Atlantic Treaty Organisation, I have the United Kingdom, which is in somewhat turmoil, and I have Putin".
But doing so, Huntsman cautioned, "doesn't necessarily mean that the Russians are going to follow through". His national security adviser said they weren't looking for any "concrete deliverables".