 He also criticized President Dwight D. Eisenhower on international and domestic matters, and attacked Senator Duff's poor attendance record.On November 6, 1956, Clark narrowly defeated Duff by a margin of 50.1%-49.7%, winning by less than 18,000 out of 4.5 million votes cast.At the same time in the presidential election, President Eisenhower, who by this time claimed his farm in Gettysburg as his permanent address, carried Pennsylvania by well over 600,000 votes.