This morning's big surge for Ted Cruz in the latest Iowa Quinnipiac poll got a lot of attention -- but we also took notice of Ben Carson's big slide.
Carrie Dann and Andrew Rafferty, NBC News: Politics
Tue, 11/24/2015 - 3:00pm
This morning's big surge for Ted Cruz in the latest Iowa Quinnipiac poll got a lot of attention -- but we also took notice of Ben Carson's big slide.