Denise Rich, the wealthy socialite and former wife of pardoned billionaire trader Marc Rich, has given up her U.S. citizenship - and, with it, much of her U.S. tax bill. Rich, 68, a Grammy-nominated songwriter and glossy figure in Democratic and European royalty circles, renounced her American passport in November, according to her lawyer. Her maiden name, Denise Eisenberg, appeared in the Federal Register on April 30 in a quarterly list of Americans who renounced their U.S. citizenship and permanent residents who handed in their green cards. By dumping her U.S. passport, Rich likely will save tens of millions of...
