PORT-AU-PRINCE, Haiti (AP) - A jury acquitted former paramilitary leader Louis-Jodel Chamblain of murder charges Tuesday after a secretive trial that began in the middle of the night, angering human rights groups who blamed the country's U.S.-backed government. Chamblain and co-defendent Jackson Joanis were acquitted just after dawn in the murder of Antoine Izmery, a former justice minister and financier of former President Jean-Bertrand Aristide, according to Stanley Gaston, an attorney for Chamblain. Three witnesses were called during the one-day trial, and only one of them was for the prosecution, said Viles Alizar with the National Coalition for Haitian Rights....