BOGOTA, Colombia (June 28, 2002 1:07 p.m. EDT) - A Catholic priest who was critical of leftist rebels was gunned down in front of a church where he had just performed Mass, becoming the latest religious leader killed in Colombia's escalating civil war. Hilario Arango's murder Thursday night in Cali, Colombia's third-largest city, comes as Revolutionary Armed Forces of Colombia rebels unleashed a wave of threats and violence against local leaders. In the past few weeks, the group known as the FARC has killed one mayor and demanded hundreds of other government employees and politicians around the country resign their...