VATICAN CITY – Pope Francis opened the “Holy Door” of St Peter’s Basilica on Christmas Eve on Tuesday, launching the Jubilee year of Catholic celebrations set to draw more than 30 million pilgrims to Rome.The 88-year-old pontiff, who has recently been suffering from a cold, was pushed in a wheelchair up to the huge, ornate bronze door and knocked on it, before the doors opened.In a ceremony watched on screens by thousands of faithful outside in St Peter’s Square, the Argentine pontiff went through the door followed by a procession, as the bells of the Vatican basilica rang out.Over the…