Two people have been arrested in the death of a missing baby whose remains were found in a trash can rack on the North Carolina coast more than 30 years ago, police said yesterday. The Nags Head Police Department said in a news release that Scott Gordon Poole, 54, and his wife, Robin Lynn Bynum, 51, were arrested on Thursday by the Alexander County Sheriff’s Office. Both from Taylorsville, they’re charged with concealing the birth of a child.