The Midwest's best political reporter, David Yepsen of the Des Moines Register, is poised and waiting for the first 1992 Democratic presidential prospector to jet across the Mississippi into Keokuk or come stealthily by Hertz into Council Bluffs. His early-warning network, tuned to the Iowa caucuses that will kick off the next presidential season two years from now, is unerring.
But these days Yepsen looks out over the rolling fields greening in the spring sun and sees nothing. "Strangely quiet," he says. Last October, Texas Senator Lloyd Bentsen showed up and added his weight to a notably leaden fund raiser. A...