It didn’t take long for Kris Letang to return and prove his worth to the Pittsburgh Penguins. PITTSBURGH – It’s been an emotional two months for one of the Pittsburgh Penguins more beloved veterans. Penguins defenseman Kris Letang not only worked his way back from another stroke in early December, but then suffered a lower-body injury before heading home to Montreal to be with family following the death of his father. Even after returning to the team following his personal leave to head to Montreal, Letang still wasn’t fully ready to return to game action. Letang finally worked his way…