Germany's push for more European aid for Ukraine is triggering a backlash. In this episode of Berlin Briefing, DW's Chief Political Editor Michaela Küfner discusses charges of “blackmail” against Chancellor Friedrich Merz by Slovak PM Fico, together with Nina Haase, DW's Chief Political Correspondent, Max Hofmann, Head of DW Berlin Bureau, and Teri Schultz, DW Correspondent in Brussels.