A bill that grants domestic partners most of the rights and responsibilities given to married couples under California law is heating up the debate over gay marriage. Opponents say Assembly Bill 205 undermines traditional values and the sanctity of marriage. Supporters of the Domestic Partner Rights and Responsibilities Act of 2003 say it's an issue of fairness and civil rights. The bill will be heard Monday by the Senate appropriations committee. It is on track to land on Gov. Gray Davis' desk before the Oct. 7 recall election. Only heterosexual couples in which at least one partner is older than...