An ageing U.S. population will strain public finances and hurt the economy without swift fixes to the social safety net says Greenspan;jsessionid=O5AXO0QBGHAW0CRBAEZSFEY?type=businessNews&storyID=6092800   Unborn with disabilities protected in UN document   Vatican Cardinal says promoters of abortion have no place in the Church   Democrats Rely on Non-religious Voters   Marital status influences women’s votes   Leftist Groups Target Pastors in Fall US Elections   Buchanan Launches Fall Offensive On Neocons   Liberal Catholics are Kerry’s Katholics.   Producers hope to distribute DVD on president’s faith to 300,000 churches