ST. BERNARD, La. (Reuters) - The Mississippi River Gulf Outlet is a long way from the Mekong Delta, but it brought back memories for Democratic presidential hopeful and Vietnam War veteran John Kerry (news - web sites) on Wednesday. Standing at the bow of a 25-foot power craft called "Fishing Magician" inspecting coastal erosion in southern Louisiana reminded Kerry of his days as commander of a Navy "swift" boat 35 years ago. "I looked out at the shoreline and I commented that parts of it looked a lot like the rivers and coastline that I went through in Vietnam," the...