Dawn Vogel It had been so long since the landline in Cara’s office had rung, she had almost forgotten how to answer it. “Hello?” Her voice came out thin and tremulous. “Hello, hi, have I reached Doctor Cara Blake?” The voice on the other end was fast, agitated. “You have.” The other voice sighed, exultant now. “Doctor Blake, hi. My name is Willow. I understand you helped retrofit Clearwater Dam?” Cara frowned. “That’s right, but—” “We need your help.” “Sorry, what?” “We need your help,” Willow repeated. “The river’s backed up into the canyon downriver, and it’s going to overtop