SOME “TAXES” ARE INVISIBLE, hidden in the higher prices of things we buy. One such “tax” is huge, costing the average American family of four at least $2,884 every year in the higher price tags of everything from hamburger to health care. This government-imposed burden is higher in America than in any other industrialized nation on Earth. Call it the “Lawsuit Tax,” the huge cost that lawsuits and the threat of lawsuits adds to everything. One member of Congress has done more to increase this secret tax on Americans than has any other lawmaker. John Edwards is a Democratic U.S....