Friends and foes say Gu Kailai, the high-profile suspect in Neil Heywood's death in Chongqing, deserves an open trial that follows the rule of law.BEIJING — The country's most famous murder suspect may have laid bare divisions in Chinese society, but friends and foes alike are united in their demand that her trial be a test case for justice in a system notorious for secrecy and flouting of the rule of law.