Goldman Sachs’ CEO says the bank will strengthen enforcement of its “Saturday rule” and speed up hiring of junior bankers after a group of analysts described “inhumane” working conditions, including 95-hour weeks and instances of workplace abuse.Goldman Sachs’ CEO says the bank will strengthen enforcement of its “Saturday rule” and speed up hiring of junior bankers after a group of analysts described “inhumane” working conditions, including 95-hour weeks and instances of workplace abuse.