Lawyers for detained former Philippine President Rodrigo Duterte say he suffers from significant cognitive deficiencies that affect his memory and daily functioning, according to documents made public by the International Criminal Court (ICC).Duterte, 80, was arrested and taken to The Hague in March on an arrest warrant that linked him to murders committed during his “war on drugs” where thousands of alleged narcotics peddlers and users were killed.His lawyers have since then argued he is...