The Long Leash
“The US government now faced a dilemma. This philistinism, combined with Joseph McCarthy's hysterical denunciations of all that was avant-garde or unorthodox, was deeply embarrassing. It discredited the idea that America was a sophisticated, culturally rich democracy. It also prevented the US government from consolidating the shift in cultural supremacy from Paris to New York since the 1930s. To resolve this dilemma, the CIA was brought in.”
http://www.independent.co.uk/news/world/modern-art-was-cia-weapon-1578808.html