Film & Television Literature Index with Full Text and FIAF International Index to Film Periodicals allow you to limit your search to interviews (and other film-specific search facets).
Check out the "Historical News" tab.
Under the "News, Analysis, Treaties & Other Documents" tab, find "Foreign News in Translation" to check out Foreign Broadcast Information System (FBIS): Broadcasts, news agency transmissions, and government statements from around the globe translated into English, 1941-1996.