A teen who tumbled into a blowhole along a coastal cliff in Monterey County was believed to be dead on Tuesday, four days after authorities began searching for his body. On Saturday, the 18-year-old was with a group hiking along trails at Garrapata State Beach, between Carmel and Big Sur, when they came across a marine geyser. When he leaned in closer to inspect the crevasse, he slipped and fell through it, according to Monterey County sheriff’s officials. A Coast Guard spokeswoman told KSBW in Salinas that his friends reported he initially gave them a thumbs-up, “but after a few...