has anyone from this network been accused of sexual misconduct?
Yes, Matt Lauer.
NBC News
On November 29, 2017, NBC News announced that Matt Lauer's employment had been terminated after an unidentified female NBC employee reported that Lauer had sexually harassed her during the 2014 Winter Olympics in Sochi, Russia, and that the harassment continued after they returned to New York. NBC News management said it had been aware that "The New York Times" and "Variety" had been conducting independent investigations of Lauer's behavior, but that management had been unaware of previous allegations against Lauer. 
when did gulf oil go out of business 1980 how did the company market it? They used to be the primary sponsor for NBC News special events coverage in the 1960s, notably for coverage of the U.S. space program. The company used the connection to its advantage by offering giveaway or promotional items at its stations. who is the current president of the news network you just mentioned? Noah Oppenheim
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NBC News [SEP] Sexual Misconduct and NBC News
On November 29, 2017, NBC News announced that Matt Lauer's employment had been terminated after an unidentified female NBC employee reported that Lauer had sexually harassed her during the 2014 Winter Olympics in Sochi, Russia, and that the harassment continued after they returned to New York. NBC News management said it had been aware that "The New York Times" and "Variety" had been conducting independent investigations of Lauer's behavior, but that management had been unaware of previous allegations against Lauer. Linda Vester, a former NBC News correspondent, disputed the claims that management knew nothing, saying that "everybody knew" that Lauer was dangerous.