Rights group Amnesty International has condemned what it said were summary executions by police, serious human rights abuses and an alarming number of illegal detentions in Haiti. After an 18-day visit to the impoverished Caribbean nation, Amnesty called on the interim government to investigate the police, and urged it and a UN peacekeeping force to carry out a program of disarmament. While acknowledging interim Prime Minister Gerard Latortue inherited numerous problems from the ousted democratically-elected president Jean-Bertrand Aristide, Amnesty said, "None of these difficulties can be invoked by state agents to justify violations of human rights committed in total impunity"....