Model Maria Carla Boscono wears a creation as part of the Salvatore Ferragamo 2021 women's spring-summer ready-to-wear collection during the fashion week in Milan, Italy, Saturday, Sept. 26, 2020. (AP Photo/Antonio Calanni)MILAN – To show or not to show: Each Milan fashion house had to make a difficult decision how to reach the fashion public this season under the safety constraints imposed by the coronavirus. ____ARMANI EXPLORES PAST AND PRESENTGiorgio Armani was the first Milan designer to show his collection behind closed doors, taking the command decision last February after Italy’s first local transmitted case of coronavirus was detected while Milan Fashion Week was under way. “I don’t know when we will recover the formula’’ of live runway shows, Armani told journalists during a presentation. Men wore perforated leather jackets with loose trousers, suits with 1940s boxy jackets and bright trenches.