Why is Iowa Sen. Joni Ernst stumping for Trump in Nebraska?

OMAHA — Iowa U.S. Sen. Joni Ernst crossed the Missouri River on Saturday to encourage more than 100 Republican volunteers in Nebraska’s 2nd Congressional District to spend the next few weeks knocking on voters’ doors for former President Donald Trump.

Ernst, in remarks to a red-clad west Omaha crowd and during an interview with the Examiner, said voters in the district — which encompasses Douglas, Saunders and parts of Sarpy County — could hold an outsized sway on the outcome of Trump’s...