Liberals often deplore efforts to amend the Constitution, particularly the Bill of Rights and especially when the outcome would narrow individual liberties. Well, now we know they don't really mean it.

Forty-six Senate Democrats have concluded that the First Amendment is an impediment to re-election that a little tinkering can cure. They are proposing a constitutional amendment that would give Congress and state legislatures the authority to regulate the degree to which citizens can devote their resources to advocating the...