The races for the Republican and Democratic Iowa presidential caucuses are dead heats. Among Democrats, Barack Obama's support is 28 percent while Hillary Clinton's is 25 percent and John Edwards' 23 percent. It is Obama's first lead over Clinton. Republican Mike Huckabee receives 29 percent to Mitt Romney's 24 percent and Rudy Giuliani's 13 percent.
Copyright 2022 NPR. To see more, visit https://www.npr.org.