Stephanie Tripp shows the Substitute Teacher a new Grading Curve

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<iframe title="Stephanie Tripp shows the Substitute Teacher a new Grading Curve" scrolling="no" width="600" height="476" src="http://pl.pornini.com/videos/embed/115391" frameborder="0"></iframe><br /><a href="http://pl.pornini.com/videos/115391" target="_blank">Stephanie Tripp shows the Substitute Teacher a new Grading Curve</a>. Provided by <a href="http://pl.pornini.com" target="_blank">pornini.com</a>