In Iowa, 50 percent of likely voters say that the winner of the presidential election should fill the vacancy on the Supreme Court in the wake of Justice Ruth Bader Ginsburg's death, while 44 percent say President Trump should fill it before the election. They are more closely split on whether the U.S. Senate should confirm Amy Coney Barrett, President Trump's Supreme Court nominee, to the Supreme Court, as 44 percent of likely voters say she should be confirmed and 43 percent say she should not.