The president of a Minnesota organization for the blind said Sunday that he believes a sighted person should have been present when three blind counselors took eight blind children on a swim outing at Lake Calhoun. Brianna Joy Nelson, 7, of Grant, Mich., drowned Friday evening. She and the other students were attending a camp sponsored by Blind Inc., a Minneapolis company that helps children learn life skills from adult role models who, like them, are blind. On Friday, the counselors -- two in their 20s and one in his 30s -- took the students swimming at the lake's north...