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Marking a new year

by Lester Holt, NBC News anchor

Bowl games, plunges into icy waters, and for the first time ever professional ice hockey in Wrigley Field are all a part of activities that mark this New Year. But some interesting new laws took effect today as well, and the ongoing Israeli attack on Gaza has resulted in the death a top Hamas leader. We're covering those stories, along with a look at Cuba 50 years after the revolution, and the drug wars that have turned Mexican border towns like Tijuana into killing grounds.

Brian is still enjoying the holiday week off. I'll be sitting in for him again tonight. I hope to see you later on NBC Nightly News.