Flag-waving supporters of all ages filled every corner of the Valencia Boulevard/McBean Parkway intersection for about three hours Saturday, their "Support America's Troops" signs eliciting a steady chorus of honking horns from passing motorists. One Vietnam veteran tossed an Iraqi flag off the curb and watched, to the delight of many, as cars ran it over and left it in tatters. "In the '60s, all (America) had was antiwar demonstrations. But people need to be aware that we weren't just baby killers," said Vern Pera, who had served in the Army in Vietnam. "People are able to do what they...