Today's Lesson (Filth cover) Lyrics

Lyric discussion by Madcappunk 

Cover art for Today's Lesson (Filth cover) lyrics by AFI

I think that it's Today's Lesson, because the apostophe is possessive...you know, like "Whose lesson is it?" "It's today's lesson"....or maybe it is a contraction and I'm wrong...I'm not sure. Oh, but yeah, I don't really like this song.