Ermenegildo Zegna on the challenge of 'two battlefields'

Ermenegildo Zegna, CEO of Ermenegildo Zegna Group, reveals how luxury brands must now fight on 'two battlefields' - emerging markets and developed markets - to survive. He also discusses the difficulty of nurturing his luxury brand in emerging markets and maintaining and rejuvenating sales in core markets such as the US and Japan.