What we learned this week

UP NEXT
Rand Paul: Trump will make GOP 'lily-white'
05:06
Nina Turner: The black vote should be earned
06:27
Clinton, Sanders in tight race in Iowa
04:01
Flint water crisis deepens
06:39
University of Iowa football team endorse Trump
06:01
2016: How the digital ground game has changed
06:46
WHO: Zika virus ‘spreading explosively’
02:12
Will Trump drive Latinos to the polls?
05:04
Clinton calls on release of ‘top secret’ emails
02:04
Iran's path forward as it starts to re-engage
04:18
Fmr. hostage on recovery process for freed prisoners
05:11
What will Iran do with new economic freedom?
03:55
WAPO: Reporter Jason Rezaian released
03:35
US frees 6 prisoners in exchange with Iran
04:04
Can the GOP remain one party?
08:21
Another rough week on Wall St.
01:51
Candidates court Asian-American voters
07:39
What 'El Chapo' told Sean Penn
06:32
Clinton, Sanders in dead heat in Iowa and NH: poll
04:35
Female WWII pilots barred from Arlington Cemetery
06:51

UP NEXT
Rand Paul: Trump will make GOP 'lily-white'
05:06
Nina Turner: The black vote should be earned
06:27
Clinton, Sanders in tight race in Iowa
04:01
Flint water crisis deepens
06:39
University of Iowa football team endorse Trump
06:01
2016: How the digital ground game has changed
06:46