Sen. Chuck Grassley's fate in his closest race in 42 years

Many Iowans cannot remember a time when Sen. Chuck Grassley (R-Iowa) did not represent them in Washington. But as he seeks an eighth term, he faces his toughest race yet.

Many Iowans cannot remember a time when Sen. Chuck Grassley (R-Iowa) did not represent them in Washington. But as he seeks an eighth term, he faces his toughest race yet.