The caller told Lisa Namphy that he was from the Swiss Embassy in Tehran, Iran. A hiker had come down from snow-capped Mount Damavand on Sunday with news that Namphy's mother had died on the mountain trail. Then things got worse. "There are so many conflicting stories,'' Namphy, of Palo Alto, said. ``And we have so little information. What we do know is that my mother is missing on Mount Damavand.'' Kathleen Namphy's family wasn't used to worrying about her. The 69-year-old mother, cancer survivor, veteran world traveler, peace activist and honored Stanford lecturer had been adventuring around the planet...