"Has fewer than three weeks. Now until the Iowa caucuses casses. NPR's Jessica Taylor report. Six Democratic candidates are set to debate tonight into moines for one final time before voting begins whole show. It's essentially a dead heat between four candidates candidates in Iowa Joe Biden Buddha Judge Bernie Sanders and Elizabeth. Warren that means the other two candidates on stage need a big night. Neighboring Minnesota Senator Senator. Amy Klobuchar needs to peel off moderate voters from Biden and Buddha judge. Meanwhile the millions of dollars of his own money. That Tom Steiner has spent an early states have helped boost him slightly slightly. NPR's Jessica Taylor Defense Secretary Mark experts still wants the Pentagon to focus on countering China even while more. US forces are being sent to the Middle East East in an interview with N. P. R. S.. For says he wants to shift thousands of forces from other parts of the world and send them to the Indo Pacific region. Here's NPR's Tom Bowman. As percent he expects so pull American troops now in Africa the Middle East and elsewhere to focus more on China the national defense strategy the military's blueprint laid out by his predecessor. Gimenez calls for a shift in focus from terrorism to great power competitors"