keywords: fein ireland belfast irish ira
text: Sinn Fein Cast Doubt on Chances of N.Irish Deal  BELFAST, Northern Ireland (Reuters) - Sinn Fein, the  political ally of the IRA, cast doubt Saturday on whether a  deal to restore power-sharing in Northern Ireland could be  struck with its arch foes, led by firebrand cleric Ian Paisley,  at talks next week.