After Newt Gingrich hit the national spotlight in 1994 by becoming the first Republican speaker of the House in 40 years, he was skewered by reports that he had served his first wife divorce papers as she lay in a hospital bed battling cancer. But the press has been far kinder to Democratic presidential front-runner John Kerry, who, according to published accounts going back more than a decade, began extricating himself from his first marriage to Philadelphia heiress Julia Thorne at the same time she was battling a case of depression so debilitating that it drove her to the brink...