Dave Sweet

WMAL.com

WASHINGTON — (WMAL) The experts at Civis Analytics put together an interactive map that traces GOP primary polling since August.

One quickly notices the consistent success Donald Trump (yellow) has had thus far, despite the sudden rise and fall of Dr. Ben Carson (dark blue) in October. Most recently Senator Ted Cruz (red) has emerged as a threat to Trump in states like North Dakota, Wyoming, Kansas and his home state of Texas.

(Photo: CNN)