When tulip mania dies down, all that remains are pretty flowers. When bubbles burst, nothing is left but soapy residue. But the Internet revolution, for all its speculative excesses, really is changing the world.
If the Supreme Court rules that rent control is an unconstitutional taking of property, it would put all sorts of zoning rules in danger.
There is no actual need to tighten voter ID rules: there have been extraordinarily few instances of people committing fraud at the polls.
The blogosphere makes it possible to have a sprawling national conversation about the hard times - often among people who would never find each other offline.
Age discrimination is illegal. But when compared with discrimination against racial minorities and women, it is a second-class civil rights issue.
Social Security, all public and no option, rescued older Americans from living their final years in poverty.
