Head of Grand Canyon cleared of undisclosed allegations

A U.S. investigation at Grand Canyon National Park has ended with the exoneration of the park’s superintendent and an announcement that she’ll return to work soon. Christine Lehnertz was reassigned in October while investigators from the Interior Department's Office of Inspector General looked into undisclosed allegations against her. In an email to park employees Thursday, National Park Service Deputy Director P. Daniel Smith praised Lehnertz and said the allegations against her were "wholly unfounded." Nancy DiPaolo, a spokeswoman for the Office of Inspector General, said the investigative report wasn’t ready to be released publicly. The office typically releases such reports to federal agencies about a month before posting either a summary or the full, redacted report online...MORE