‘Crazy Grandma’ is off to Mt. Aconcagua on Seven Summit quest

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Helicopter evacs for younger friends, but no one escapes travel nightmares Lisa Walker is a self-described “crazy grandma” on a mission. She runs endurance races. Competes in national triathlon championships. At 58, she has bested fellow climbers half her age in summiting peaks in the Himalaya. She has seen much younger friends suffer from HAPE […]