Complex sentence: In the present time the "Daily Planet" is having a staff meeting attended by Perry White, Lois Lane, Clark Kent, Jimmy Olsen, and Ron Troupe as well as Cat Grant and Steve Lombard, who have recently returned to the staff.
Split into simpler sentences: In the present, the "Daily Planet" is having a staff meeting attended by Perry White, Lois Lane, Clark Kent, Jimmy Olsen, and Ron Troupe. Also present are Cat Grant and Steve Lombard, who have recently returned to the staff.