Complex sentence: Haynes approaches his line manager, Metro Desk Editor Steven Luxenberg, and tells him that he plans to remove the lead because it violates the paper's sourcing policy and asks for Luxenberg to back him up when the inevitable confrontation occurs.
Split into simpler sentences: Haynes approaches his line manager, Metro Desk Editor Steven Luxenberg, and tells him that he plans to remove the lead because it violates the paper's sourcing policy. Haynes asks for Luxenberg to back him up when the inevitable confrontation occurs.