If Trump didn't collude with Russia, why all the secret meetings?    

Jared Kushner, Paul Manafort, Donald Trump Jr., and President Donald Trump himself all had previously undisclosed meetings with Russian officials. Why?

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‘Absurd:’ Kremlin slams reports on Putin’s ‘secret’ meeting with Trump www.rt.com
The Kremlin says media reports stating that US President Donald Trump held a second “secret” meeting with his Russian counterpart Vladimir Putin during G20 summit displays a “lack of understanding” and has prompted “astonishment” in Moscow.

Kremlin calls idea Trump and Putin had undisclosed G20 meeting absurd www.reuters.com
The Kremlin believes it is "absolutely absurd" to describe an informal meeting at the G20 summit between U.S. President Donald Trump and Russian President Vladimir Putin as secret or undisclosed, Russian news agencies reported on Thursday.

U.S. Allies Stunned by Second, Undisclosed Trump-Putin Meeting www.vanityfair.com
The White House says there was nothing “sinister” about it.

White House, Kremlin defend Trump-Putin dinner chat www.cbsnews.com
A Kremlin spokesman said the notion that the meeting was "secret" is "absurd," and President Trump said the story of a "secret dinner" with Putin is "Fake News"

Trump Spins Putin Dinner Conversation - FactCheck.org www.factcheck.org
In his latest attack on the media, President Donald Trump gave a misleading account of news reports regarding a previously undisclosed second conversation that he had had with Russian President Vladimir Putin at the G-20 summit.