James E. Dennehy, the highly respected leader of the largest and most important field office in the bureau, said in an email to staff that the F.B.I. was in “a battle of our own.”

She began with modestly scaled abstract drawings and paintings but became best known for large works featuring collage and items evoking Native stereotypes.

 Millions of Americans rely on public media  for their news and educational programming. In many rural areas in our country, public broadcasting is their main avenue for receiving news, emer...