UPDATED, April 18, 11:31 a.m.: Talk about a distressed asset. The buyer of disgraced producer Harvey Weinstein’s Greenwich Village townhouse took out a $20 million mortgage — signed by Bruce Karsh, chief investment officer at private equity giant Oaktree Capital Management. The Oaktree executive’s signature was on the loan from Bank of America, according to records filed with the city. The buyer bought the house on Bank Street for $25.6 million last month through an entity […]