Very well, gentlemen. Here is your homework assignment.
The Manchurian Candidate (1962)
The original version, starring Laurence Harvey, Frank Sinatra and Angela Lansbury.
Seven Days in May (1964)
Starring Burt Lancaster, Kirk Douglas, Frederick March and Edmond O’brien. Screenplay by Rod Serling.
https://www.youtube.com/watch?v=HWL06waOAGw (Theatrical trailer)