Disagreement over Mayor Thomas Menino's views on abortion and same-sex marriage has prompted Archbishop Sean O'Malley to cancel plans to attend the annual Catholic Charities Christmas dinner next month. Also, O'Malley is sending a letter to every parish in the archdiocese in which he says the church's opposition to gay marriage should not be interpreted as hostility toward homosexuals, and Catholics should strive to end discrimination toward gays and lesbians. The Catholic Charities fundraising dinner is honoring Menino, an outspoken advocate of abortion rights and gay marriage. The Catholic Action League of Massachusetts, a conservative Catholic group, has called for...