JFK represents the final victory of “Style over Substance.”
This true. Especially with the advent of TV which showcased his "boyish charm" - as compared to previous CiCs..
However, ya gotta tip your hat to his sound-bytes, which were memorable and delivered with a sense of sincere promise:
"Ich bin ein Berliner!"
"Ask not what your country can do for you.."
"We will go to the moon. We will go to the moon and do other things, NOT because they are easy but because they are HARD.