IT IS AN AXIOM OF POLITICS THAT running for the White House involves a zig and then a zag: during the primaries, candidates of both parties normally concentrate on wooing the liberal or conservative wings of their parties; once nominated, they pivot toward the broad middle of the American electorate, where the White House is lost and won.
Dan Quayle's attempt to energize conservatives by attacking Murphy Brown shows just how different the 1992 campaign has already become. Ross Perot's pending entrance in the race -- and the possibility that he might attract between a quarter and a third or more...