In 1968 comedian Pat Paulsen began a campaign for president on this duo's comedy/variety hour
After the show was taken off the air, 
Mr. Paulsen was host of his own variety show, ''Pat Paulsen's Half a... [DOC] [TLE] 'The Uncensored Story' Of The Smothers Brothers : NPR [PAR] Oct 15, 2010 ... CBS canceled their show, The Smothers Brothers Comedy Hour, in 1969.