Vega will be joining a lineup of correspondents that includes Bill Whitaker, Lesley Stahl, Scott Pelley, Anderson Cooper, Norah O’Donnell, Sharyn Alfonsi and Jon Wertheim.

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By Erik Vance I’ve never been a good swimmer. I mean, I can swim. But what I do in a pool feels more like a battle for survival than a workout — especially after the first few laps.