Lester Holt will be stepping down as NBC News’ nightly news anchor. NBC News reported that Holt announced he would be leaving the long-running broadcast at the beginning of the summer. The outlet did not immediately announce a successor. But this is not the end of Holt. He will stay with NBC in a full-time role at “Dateline,” where he has served as the primary anchor for almost 15 years. “A smile comes to my face when I think that with Nightly News and Dateline, I have now anchored two of the most successful and iconic television news programs in...