Trump's mounting troubles in Iowa could spell doom for Republicans | Art Cullen

Iowa Senator Joni Ernst is facing tough questions on impeachment and trade that have implications far beyond the mid-westPresident Trump may have already lost Iowa and the rest of the midwest, but now he risks throwing the Senate into play.Until last week, Senator Joni Ernst, a Republican from Iowa, was pretty safe, with high approval ratings and an ability to lie low in her re-election bid. Now, she is facing tough questions back home about trade and impeachment that are making her squirm. Rela