Regional tensions, Paris attacks hang over APEC summit

By Rosemarie Francisco and Manuel Mogato MANILA (Reuters) - Regional tensions over the South China Sea and security concerns after the attack by Islamist militants on Paris could eclipse efforts by Pacific-rim leaders this week to boost trade and growth across a region of around 3 billion people. Market uncertainty, protectionist pressures and the need for difficult reform as trade growth slows will nevertheless be on the minds of close to 20 leaders attending the Asia-Pacific Economic Cooperati