In a widely watched immigration case, the Army yesterday said it will assist Pvt. Juan Escalante, of Seattle, an illegal immigrant and veteran of the Iraq conflict, in securing legal status to remain in the United States. Richard Olson, spokesman at Fort Stewart, Ga., called Escalante "a good soldier and a value to the Army." "The intent of the command is to resolve this to the benefit of all parties concerned," Olson said. An executive order signed by President Bush last year allows noncitizen soldiers who have served honorably during Operation Enduring Freedom to apply for U.S. citizenship. That order...