Normally the vice presidential choice is tangential to the top of the ticket. But that may not be the case this year as this election - a 2-year-long odyssey - has broken a number of rules. Lloyd Bentsen, the 1988 Democratic vice presidential nominee was seen as better in many ways than lead man Michael Dukakis. He couldn't save Dukakis. Dan Quayle had the presence of a ventriloquist dummy. But he didn't sink the senior George Bush. Under Richard Nixon, former Maryland governor Spiro Agnew was elected with scandals rattling in the closet. He became the first vice president to...