CrossTalk: speak Globish!

­On this edition of Peter Lavelle's CrossTalk: Speaking in one tongue? The English language is globally dominant today, but will this remain the case? Could, for example, Mandarin Chinese make a bid for global dominance? Is it desirable to have a single global language? Can any major language be devoid of cultural meaning? Asked differently, could English become a value-free language for all to use as they wish?