A dead intern was found in Scarborough's office in 2001.
A new study also found that web search data following Sheen's disclosure was a strong predictor of test kit sales.
NBC's Lester Holt, the moderator, chose three topics for the first debate: America's direction, achieving prosperity and securing the U.S.
Republican presidential nominee Donald Trump on Thursday said he was against the Iraq war all along despite telling radio interviewer Howard Stern in 2002 that he favored it.
Instead of replacing Andrew Jackson on the bill, Trump wants to create another denomination for Harriet Tubman.
The newsman admitted to wanting to "appear better" than he was.