america's great divide and its terrible consequences. >> the democratic national convention, chicago, august 1968, the country deeply divided. the war in vietnam claiming hundreds of americans lives every week. the convention was a disaster waiting to happen. >> the democratic con tenders were vice president hubert humphrey and anti-war senators eugene mcarthy and george mcgovern. president lyndon johnson had withdrawn from the race over vietnam. he retreated to his texas ranch and marked his 60th birthday, on the phone constantly trying to manipulate the convention on behalf of hubert humphrey, watching as his party tore itself apart.