In life, Tasha Shephard never met Lance Cpl. Robert Zurheide Jr., the first Tucsonan killed in combat in Iraq. On Sunday, she stood near the graveside of the 20-year-old Marine, clutching a white chrysanthemum and crying as he was laid to rest. "He was so young. He didn't even have a chance to live his life yet," said Shephard, 19, an East Side resident whose 19-year-old boyfriend is also a Marine serving in Iraq. Shephard was one of hundreds of Tucsonans from across the city and across the generations who turned out to say goodbye to Zurheide, whose wife is...