corroborated. they said they complained to the network about lauer's behavior which fell on deaf ears given the lucrative advertising on today. they say prior to monday night, current nbc news management was never made aware of complaints about matt lauer's conduct. you've been covering this day. these situations for any organization are awkward situations because we work with nbc news and this is a story about nbc news and we have been committed here today to covering this story because this is a news story. >> it's without a doubt a news story but it's also important to remember we don't necessarily know the lines and we need to reboot because there is a big difference between sexual assault, sexual misconduct and sexual harassment.