The average American expends more time becoming informed about choosing a car than choosing a candidate. But, then, the consequences of the former choice are immediate and discernible.

All politicians are to some extent salesmen.

Conservatives believe government's principal functions are the preservation of freedom and removal of restraints on the individual. Liberalism's ascent in the first two-thirds of this century reflected the new belief that government should also confer capacities on individuals. Liberalism's decline in the final third of this century has reflected doubts about whether government can be good at that, or whether government that is good at that is good for the nation's character.

The 1935 Social Security Act established 65 as the age of eligibility for payouts. But welfare state politics quickly becomes a bidding war, enriching the menu of benefits, so in 1956 Congress entitled women to collect benefits at 62, extending the entitlement to men in 1961.

A properly functioning free market system does not spring spontaneously from society's soil as crabgrass springs from suburban lawns. Rather, it is a complex creation of laws and mores... Capitalism is a government program.

Some calamities - the 1929 stock market crash, Pearl Harbor, 9/11 - have come like summer lightning, as bolts from the blue. The looming crisis of America's Ponzi entitlement structure is different. Driven by the demographics of an aging population, its causes, timing and scope are known.

Stephen Hawking's A Brief History of Time tells the story of a cosmologist whose speech is interrupted by a little old lady who informs him that the universe rests on the back of a turtle. Ah, yes, madame, the scientist replies, but what does the turtle rest on? The old lady shoots back: You can't trick me, young man. It's nothing but turtles, turtles, turtles, all the way down.