How Amy Klobuchar Pulled Off the Big Surprise of the New Hampshire Primary

After a disappointing fifth-place finish in the Iowa caucuses, the Minnesota senator made a series of bets in the Granite State.

Senator Amy Klobuchar knew she might have an opportunity in New Hampshire’s presidential primary.

As a fiscally moderate Democrat who opposes the “Medicare for all” and free four-year college plans of her liberal rivals, Ms. Klobuchar was in sync with the smaller-government tilt of plenty of Democrats in the state. Her emphasis on bipartisanship and pragmatism was a fit with New Hampshire’s large number of unaffiliated voters, or independents,...