NBC News correspondent Pete Williams will retire from a broadcasting career that has spanned nearly 30 years. NBC News president Noah Oppenheim called the 70-year-old newsman, who has covered the Supreme Court and Department of Justice, “quite simply one of the most respected, trusted, and steadfast names in news.” Among Williams’ biggest scoops while covering five presidential administrations was his January report on the retirement of Supreme Court Justice Stephen Breyer. According to NBC News, Williams said during a conference call with colleagues on Thursday, “Stephen Breyer is leaving, so…