UPDATE 1-U.S. Senate unanimously passes defense spending bill

* Measure must be reconciled with House version * Key challenge is brief time for House, Senate negotiators * Bill lifts ban on using health insurance for abortion care WASHINGTON, Dec 4 (Reuters) - The U.S. Senate voted 98-0 onTuesday to approve a wide-ranging defense bill that authorizes$631.4 billion in funding for the military, the war inAfghanistan and nuclear weapons. ...