With each passing year, fewer and fewer things in cinema become sacred as the list of movies that are off-limits to remakes and reboots grows shorter. However, don’t expect Leonardo DiCaprio to act on his impulses and realise his fantasy of playing a big-screen icon. He’s got too much respect for the film, the character, and the people who made it to even let the thought cross his mind, but as far as spit-balling goes, it was an interesting one …