Among the preliminary conclusions? The new American leader is a risk-taker but can be naïve, according to a senior Kremlin adviser.

Trump “doesn’t understand fully who is Mr. Putin — he is a tough guy,” former Deputy Foreign Minister Andrei Fedorov told NBC News…

The dossier was being revised regularly, he said, adding that many in the Kremlin believed that Trump viewed the presidency as a business…

The issue of Russia “is now a kind of banana skin for Trump — that’s why we should avoid any kind of step that could damage Trump,” said Fedorov. “Trump cannot come to a meeting with Putin as a loser — he must sort out his domestic problems first.”