Critical race theory bans are adding more anxiety to stressed teachers: 'It's like walking a tightrope'

On the first day of school, Kerry Green had a pit in her stomach.

Green, a U.S. history teacher at Sunnyvale High School in Dallas County, Texas, had passed out copies of an 1864 speech about liberty and slavery by Abraham Lincoln to her 11th graders.

“Plainly the sheep and the wolf are not agreed upon a definition of the word liberty,” students read from their desks.