Sen. Bob Casey, D-Pa., tells Alex Witt where he stands on President Obama’s request to use military force against ISIS and the congressional infighting over immigration that could lead to a DHS shutdown.Feb. 15, 2015
UP NEXT
'The death of Baghdadi is the death of the image of ISIS'
05:22
The significance and impact of ISIS leader’s death
06:07
NYT: Custody of ISIS fighters in doubt
07:55
Turkey using militias to advance in Syria, including former Al Qaeda and ISIS members
02:36
Backlash against Trump for Syria withdrawal includes GOP
23:01
Pentagon report blames Trump administration for ISIS resurgence