First Person is a series of quick videos from the Cook Political Report editors exclusively for our site license members. Make sure to check our other premium videos, including full recordings of the briefings.

Senate Republicans have been helped by an environment where they have the wind at their backs. But like a good football team, the closer you get to the endzone the big concern becomes fumbles and turnovers. Amy examines what factors she is watching this spring and summer will determine how successful Republicans are at holding onto the ball. Read Amy Walter's latest here.

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