Thomas Schumacher, the longtime president of Disney Theatrical Group, isn't scared of making big changes - whether its adding a song to a time-tested musical, testing a show in a new international city, or reopening multiple productions around the world in the wake of a global pandemic."There are real things in life to be afraid of in musical theatre isn't one of them," Schumacher says.His latest venture in London: opening Frozen in the West End at the Theatre Royal Drury Lane. The beloved...