Next week, ‘Glee‘ will take the bull by the horns with covers of ‘Red Solo Cup’ and a delectable mash-up of ‘Survivor/I Will Survive,’ but before we dive into the goodness that is next week’s songs, let us address just one little thing: Sam (Chord Overstreet) will return in the ‘Hold on to Sixteen’ episode! If that’s not a Christmas present sent from above (you know, the FOX execs), we don’t know