A competitive Senate contest in the Hawkeye State is creating a ripple effect down ballot, causing headaches for national Democrats as Election Day nears.
Recent polls show state Sen. Joni Ernst, a Republican, with a small lead over Rep. Bruce Braley, a Democrat. But the Republican’s advantage has percolated to three of Iowa’s four House contests, keeping one competitive district in contention for Republicans, plus putting two Democratic seats in play.
