WASHINGTION -- Alice Rodgers, a single mother, paid more than $1,000 for round-trip tickets from Tipton, Iowa, so she and her daughter, Lindsey, could visit her son, who is recuperating at Walter Reed Army Medical Center here from wounds he suffered in an ambush in Iraq. However, when Rodgers returns for her next visit, the trip will be far less expensive -- it will cost her nothing. During a press briefing today at the front gate of the hospital, Maryland Rep. C.A. "Dutch" Ruppersberger handed 680 free airline tickets to David Coker, executive director and vice president of operations at...