By Kimberly Hefling
The Associated Press
WASHINGTON (AP) - The new president of the nation's largest teachers union is a guitar-playing, Spanish-speaking author who takes over as once-sacred tenure protections are challenged and new Common Core standards roll out in much of the country.
The National Education Association's Lily Eskelsen Garcia, a former Utah teacher of the year, does not shy from criticizing what she describes as "toxic" testing. For the union's 3...