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    Surveillance video shows mob of looters ransacking 7-Eleven in Los Angeles

    01:53

  • Nightly News Full Broadcast (August 19th)

    20:54

  • Vanessa Bryant takes the stand in emotional testimony over crash photos

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  • Michigan judge temporarily blocks prosecutors from enforcing state’s abortion ban

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  • MTP NOW Aug. 19 — Florida Florida Florida; Democrats surge; Water cuts in the West

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  • To ‘kill a snake, you cut off its head’: Nikki Fried says she can work with GOP legislature, if DeSantis is defeated

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Rock Center

Tween sisters outpace adults in endurance runs

03:04

The Welsch sisters, 12-year-old Kaytlynn and 10-year-old Heather, are two of the fastest and youngest endurance runners in the country. The girls’ plunge into the world of endurance running has left some questioning whether such intense competition against adults is healthy for young kids.  Kate Snow’s full report airs Friday, Feb. 8 at 10pm/9CDT on NBC’s Rock Center with Brian Williams.Feb. 7, 2013

  • UP NEXT

    Surveillance video shows mob of looters ransacking 7-Eleven in Los Angeles

    01:53

  • Nightly News Full Broadcast (August 19th)

    20:54

  • Vanessa Bryant takes the stand in emotional testimony over crash photos

    01:43

  • Michigan judge temporarily blocks prosecutors from enforcing state’s abortion ban

    00:58

  • U.S. consumer spending is changing and big retailers are getting hit hard

    01:49

  • Paper gun sale records pile up with ATF prevented from upgrading tracing

    03:28

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