At Fox’s upfront press call, Fox TV Group chairmans Dana Walden and Gary Newman sounded very optimistic when asked about plans for another installment of The X-Files event series. “We have had conversations with (creator) Chris Carter and (stars) David Duchovny and Gillian Anderson,” Walden said. “I believe everyone is on board to do another installment of the show.” Noting that all key auspices are scattered around the world working in different locations, she said that…