American Federation of Teachers (AFT): "if there's one incident of sexual misconduct between a teacher and a student that's one too many."

Apparently the American Federation of Teachers does not follow the Maryland Senators' opinion that some teacher-student sex can be "basically innocent." 

...Two of the nation's major teachers unions, the American Federation of Teachers and the National Education Association, each denounced sex abuse while emphasizing that educators' rights also must be taken into account.
"Students must be protected from sexual predators and abuse, and teachers must be protected from false accusations," said NEA President Reg Weaver, who refused to be interviewed and instead released a two-paragraph statement.
Kathy Buzad of the AFT said that "if there's one incident of sexual misconduct between a teacher and a student that's one too many."...

 http://www.washingtonpost.com/wp-dyn/content/article/2007/10/21/AR2007102100144_3.html