Article snippet: Donald Trump before being unceremoniously fired last year. In his exclusive interview with ABC News' chief anchor George Stephanopoulos that aired tonight ahead of the April 17 release of his book "A Higher Loyalty: Truth, Lies, and Leadership," Comey talked about the possibility of the president obstructing justice, his concerns over whether the Russians have something to hold over Trump, the way he defends his actions relating to the Hillary Clinton email saga, and much more. Here is a rundown of the top moments from the interview. It wasn't until January 2017, during the presidential transition, that Comey met Trump in person. "I'm about to meet with a person who doesn't know me, who's just been elected president of the United States ... from my watching him during the … campaign, could be volatile," Comey said. "And I'm about to talk to him about allegations that he was involved with prostitutes in Moscow and that the Russians taped it and have leverage over him." Comey is breaking his long silence ahead of the April 17 release of his book "A Higher Loyalty: Truth, Lies, and Leadership." He said that at least on a physical level, Trump lived up to Comey's expectations. "He had impressively coiffed hair … it looks to be all his. I confess I stared at it pretty closely and my reaction was ‘it must take a lot of time in the morning," Comey said. "His tie was too long as it always is ... he looked slightly orange up close with small white ha... Link to the full article to read more