Wednesday on the NewsHour, several Israeli soldiers are killed in an ambush in northern Gaza while floods add to the suffering in crowded refugee camps. Delegates at the U.N.'s global climate summit agree to transition away from fossil fuels but loopholes remain. Plus, drone warfare forces both Russia and Ukraine to shift tactics as the war drags into another winter. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders