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For those dearly devoted of you who paid attention to me in September, I noted that the best bet in the NFL had proven to be whenever a West Coast team played an East Coast team at night, because the Pacific players had their body clocks better set.

Most of the really big changes made by the 2010 health law don't start for another year. That includes things like a ban on restricting pre-existing conditions, and required insurance coverage for most Americans. But Jan. 1, 2013, will nevertheless mark some major changes.

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From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish. New laws go into effect across the country today and we're going to look at a few of them that all struggle with the same problem, how to keep up with technology. We're going to hear about three of them now from Jon Kuhl of the National Conference of State Legislatures. The first deals with that perplexing new phenomenon, driverless cars.

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In covering this debate, much has been made of income tax rates and where exactly they should be raised. But one fact has gotten far less notice. Starting today, payroll taxes are going up two percentage points for nearly all American workers. NPR's John Ydstie joins us to talk about it. And John, this means lower take-home pay for a lot of workers starting very soon.

Sen.-elect Ted Cruz of Texas is a bright young Hispanic star who will be sworn in this week in Washington. The Republican Party nationally hopes Cruz will be part of the solution to its growing problem luring Hispanic voters.

Almost nobody had heard of Cruz when he began his campaign for the U.S. Senate. But when he stepped in front of a microphone, he could light up a room in a way that made the other Republican candidates seem lifeless.