MILAN (Reuters) – Concerns over the fate of fashion executive Vittorio Missoni and prospects for the economy weighed on the opening of Milan's menswear shows, where designers used all shades of grey for their austere 2013 autumn/winter collections. The founder of menswear maker Corneliani kicked off the first show of the Milan fashion season on Saturday with a message for Missoni, whose plane disappeared off Venezuela a week ago. …
