No actually the death of the Founding Fathers' Ideals started in 1913 with the rise of the Progressive movement and the presidency of Woodrow Wilson.
Woodrow Wilson was certainly a douch, but the first wound on the constitution was in 1937. Until then, limits were placed on government. The consequences of the civil war and the move to federalism is an interesting area of study.
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
Thomas Jefferson