Bob Coomber cannot walk, but he sure can hike. The disabled Livermore outdoorsman is preparing for the hike of his life – an ascent of 19,000-foot Mount Kilimanjaro in Africa or 22,841-foot Cerro Aconcagua in South America. If he pulls it off, he will be the first person to climb either mountain in a wheelchair. … More Man In Wheelchair Debating Which Mountain To Climb: Kilimanjaro? or Cerro Aconcagua?