POPLAR BLUFF, Mo., (KBSI) — A Park Hills middle school student has won the regional spelling bee hosted by Three Rivers College and will advance to the Scripps National Spelling Bee. Gentry Layton of Central Middle School in Park Hills claimed the championship at the 17th annual Three Rivers College Southeast Missouri Spelling Bee on Saturday. Layton secured the win in the 14th round by correctly spelling “analphabet,” which means a person who c…