The huge buy is almost double Rubio’s saturation in any other Iowa market and a heavier rotation, according to ad buy data provided by a media tracker, than any other candidate or super PAC has reserved in any Iowa market in the 2016 campaign. An average viewer in those cities should see ads from Rubio’s campaign 13 times each of the last weeks.

In contrast, of Iowa’s major markets, Rubio campaign’s has bought the smallest penetration in Sioux City, which broadcasts across the more evangelical northwest…

Though Rubio’s campaign won’t acknowledge writing off any part of the state (spokesman Alex Conant declined comment for this story), the entire Rubio political apparatus is built around its overwhelming confidence in Rubio’s preternatural political talents. They want to simply get him in front of as many voters as possible, they say. And the reality is, more voters live east of I-35, the highway bisects Iowa through Des Moines and roughly demarcates east from west in the state…

But, capturing the challenge of Rubio’s desire appeal to every segment of the GOP spectrum, he is not giving up on Iowa’s influential evangelical bloc. He began rotating in a TV ad this week, making an explicitly religious appeal. “Our goal is eternity,” Rubio says in the ad. “The ability to live alongside our Creator and for all time. To accept the free gift of salvation offered to us by Jesus Christ.”