There's a real estate rationale for Tom Barrack buying Weinstein Co.: There are opportunistic deals. And then there is buying a film studio that bears what is currently one of the most toxic names in the world. Colony NorthStar is undertaking due diligence and will decide in the next fortnight whether to push on with the purchase of Weinstein Co., the film studio formerly run by producer Harvey Weinstein, who is facing multiple allegations of sexual assault.