Titaníque review – delightfully campy Céline Dion musical shows bigger isn’t always better

St James Theatre, New YorkThe hilariously deranged riff on Titanic loses some scrappy charm in its Broadway transferAccording to its creators, the idea for Titaníque, the extremely campy Céline Dion jukebox musical now open on Broadway, originated as a drunken riff between friends – what if the...