The chairman of a major US law firm has stepped down due to the release of extensive emails between him and the late sex offender Jeffrey Epstein.  NEW YORK: Brad Karp, long-time chairman of the powerful Wall Street law firm Paul Weiss, resigned from his top leadership role after a series of emails revealed his extensive interactions with the late disgraced financier and convicted sex offender Jeffrey Epstein. Karp was replaced by partner Scott Barshay, head of the corporate department, who has