WATERBURY -- What Saint Mary's Hospital doctor Alan Couture wanted was a health insurance card for his life partner. What he may end up with, however, is a legal battle spelling out the rights granted homosexuals under the state's new civil union law. Couture and his partner, Robert McDonald, joined in a civil union last October, the same month Connecticut adopted a law recognizing civil unions for homosexuals. But when Couture tried to add McDonald to the health insurance policy offered by Saint Mary's, he was turned down by hospital executives. The couple's homosexual union contradicts the Catholic institution's moral...