Gavin Newsom’s whirlwind weekend in Germany will cost a pretty penny, paid for by a secretive nonprofit that’s run by his longtime aides and receives money from special interests, The California Post has learned. The invite-only Munich Security Conference is being held across two luxury hotels in Old Town Munich — the Hotel Bayerischer Hof and Rosewood — and Newsom’s itinerary includes two sessions on climate change and transatlantic relations. The likely 2028 presidential candidate also plans