03/28/2008 02:45 am ET Updated Nov 17, 2011

The Scoop On The Candidates' Spouses

Two for the price of one was how Bill Clinton famously described it in 1992, an offer that was regarded then as dangerously bold but which now seems merely coldly predictive.

It's part of the bargain of a US presidential election campaign. When Americans pick a president they get not just a leader, but a family soap opera. For four, or sometimes eight, years the relationship at the centre of the White House fascinates Americans.

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