Wayne Pivac placing emphasis on attack for Wales’ Six Nations opener

• Roof to be closed for champions’ first game against Italy• Pivac aiming to build on success under Warren GatlandThe winds of change are blowing through the Principality Stadium. They will not be kept out by the closed roof on Saturday, breezing in gently at first before approaching gale force as the 2023 World Cup approaches, blowing out the 12-year reign of Warren Gatland. His successor, Wayne Pivac, has a similar accent but a different outlook on the game. Related: Six Nations is a time to enjoy all Europe’s little differences | Robert Kitson Related: Johnny McNicholl set for Wales debut …