Craig Medred covered this for the Alaska Dispatch. Pat Forgey covered it in detail for the Juneau Empire. The Anchorage Daily News, typically, appears to have neglected what is either a seriously egregious lie or a probable class A misdemeanor by Sarah Palin.
Either Palin has lied in her book that there were seriously taken threats against two of her daughters when they lived in Juneau, or Palin failed to lawfully report what must be presumed to have been - if you believe her - a situation that might have endangered other kids at the schools her daughters were then attending.
Here's Anchorage-based Christy Harvey, from the Center for American Progress, being interviewed by Cenk Uygur from The Young Turks: