U.S. could limit collection of items left at Vietnam War memorial

By Ian Simpson WASHINGTON (Reuters) - The U.S. National Park Service is proposing to limit the commemorative items it keeps from the Vietnam Veterans Memorial as it faces a potential space crunch from more than 400,000 tribute objects, the agency said on Tuesday. It is best known for the sunken Vietnam Veterans Memorial Wall, where the names of more than 58,000 service personnel who died from 1959 to 1975 are engraved. The National Park Service said in a statement that it was seeking public comm