NATO 75th anniversary summit begins in Washington

Ukraine is high on the agenda at the three-day summit. In his opening remarks, President Biden pledged more air defence systems for Kyiv. Meanwhile Democratic party politicians have held meetings over concerns about Mr Biden's fitness for re-election. Also in this podcast, a Russian court issues an arrest warrant for opposition figure Yulia Navalnya, the trial of actor Alex Baldwin begins in New Mexico, and how Denmark is encouraging tourists to go green.