Chuck Todd said on Sunday that he was stepping down from NBC’s “Meet the Press” after nine years in the moderator’s chair and would be succeeded by the network’s chief White House correspondent, Kristen Welker.In remarks at the conclusion of the show on Sunday, Mr. Todd, 50, said he was conscious that many leaders “overstay their welcome” and that he’d rather leave “a little bit too soon than stay a tad too long.”“I’ve let work consume me for nearly 30 years,” Mr. Todd said, according to a copy of his prepared remarks. “I can’t remember the last time I didn’t wake up before 5 or 6 a.m., and as I’ve watched too many friends and family let work consume them before it was too late, I prom …
