December+videos

media type="custom" key="21652520" media type="custom" key="21652522" media type="custom" key="21665264" December 10th Section 6.9 Video media type="custom" key="21713000"
 * December 4th**
 * Section 6.6 Video**
 * Section 6.7 Video**
 * December 6th**
 * Section 6.8 Video**