Bob Hemseath, whose corn-farming business hinges on the whims of mother nature, is comfortable with uncertainty.
But as the fourth-generation farmer heads onto his northeast Iowa farm for the 2017 planting season, it's the uncertainty coming from the White House that has Hemseath increasingly worried.
The farmer listened during the 2016 campaign as Donald Trump, the real estate magnate turned politician, promised to end the North American Free Trade Agreement. Hemseath, a Republican
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