Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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Spencer, Iowa (CNN) - Joni Ernst takes running for Senate literally. Try keeping up with her as she races through a rainy parade. It's a workout.
Ernst doesn't march, she sprints - darting side-to-side, shaking as many hands as possible - a lieutenant colonel in the Iowa National Guard recruiting potential voters for her campaign.
The Iraq War veteran and little-known conservative Iowa state senator burst onto the political scene earlier this year with the TV ad of the political primary season.