DES MOINES — Prosecutors have upgraded charges against an Iowa man who led a crowd of insurgents in taunting a police officer up several flights of stairs inside the U.S. Capitol during the Jan. 6 attack.Video and photographs of Douglas Jensen have been widely distributed, showing as the man wearing a QAnon shirt pursues Capitol Police officer Eugene Goodman as an angry mob follows them.An updated indictment was filed in federal court in Washington on Jan.