WARNING: This story contains descriptions of child sex abuse and other content that may be disturbing to readers.

P.E.I. Premier Rob Lantz apologized in the legislature Wednesday after a former substitute teacher pleaded guilty to sexual touching at a primary school. 

"When Island families send their children to the education system here, our role is to educate them — but the primary, fundamental responsibility is to keep them safe. And obviously in this case, that did not happen," the Progressiv…