In the latter days of the Carter presidency, it became fashionable to say that the office had become unmanageable and was simply too big for one man. Some suggested a single, six-year presidential term. The president's own White House counsel suggested abolishing the separation of powers and going to a more parliamentary system of unitary executive control. America had become ungovernable.
Then came Ronald Reagan, and all that chatter disappeared.
The tyranny of entitlements? Reagan collaborated with Tip O'Neill, the legendary Democratic House speaker, to establish the Alan Greenspan commission that kept Social Security solvent for a quarter-century.