Lester Holt struggles to keep control of first presidential debate

NEW YORK — NBC’s Lester Holt struggled to keep control of the first debate between Hillary Clinton and Donald Trump, learning the dangers of fact-checking in the midst of a tense confrontation being viewed by tens of millions of people.
The NBC News veteran was moderating his first general election debate Monday night, making him solely responsible for the questions asked each candidate and for steering the conversation. At the debate’s opening, he let the conversation flow and