A New York teenager and mother are among 90 Americans missing in Nepal as families desperately search for answers

By Ayushi Shah, Jessie Yeung, CNN (CNN) — Sitting at home, Shekhar Agrawal dials number after number, hoping one of them might offer clues to the whereabouts of his sister and teenage niece – American tourists who have been missing since catastrophic flash flooding devastated Nepal and Tibet on Wednesday. “This is the crucial golden