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U.S. conducts strikes on ISIS in Nigeria on Christmas

00:46

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Kornacki: What lead to progressive Chris Rabb's victory

01:28

Chris Rabb wins Democratic primary for Pa. 3rd District

01:04

Keisha Lance Bottoms wins Democratic nomination in Ga. governor's race

00:42

How vulnerable is the United States to an Ebola outbreak?

03:21

Gallrein thanks Trump in Kentucky primary victory speech

00:44

Kornacki: Brooks race against Mackenzie is one to watch this fall

00:36

Charles Booker wins Democratic Senate primary in Kentucky

00:14

Massie concedes Kentucky primary to Trump-backed candidate

01:00

Bob Brooks wins Democratic primary for Pa. 7th District

00:33

Tuberville wins Republican primary for Alabama governor

00:11

Sarah Warren wins six-year term to Georgia's Supreme Court

00:56

Bob Harvie wins Democratic primary for Pa. 1st District

00:20

Barr thanks Trump after Kentucky Senate primary win

00:31

Burt Jones and Rick Jackson advance to runoff in Georgia governor primary

00:35

Kornacki: The counties that contributed to Massie's loss

01:24

Clay Fuller wins Georgia House-14 Republican primary

00:26

Gallrein wins GOP primary for Kentucky's 4th District

00:15

Watch: Student falls out of back of Virginia school bus

00:14

Andy Barr wins the Kentucky Republican Senate primary

00:17

Millions worth of cocaine found in truck carrying Skims

00:17