Complex sentence: Glumly, everyone seems prepared for redundancy as personal dislike of David reaches an all-time high, as interviews with the staff go between calling him a liar, or simply hurling personal insults at him.
Split into simpler sentences: Glumly, everyone seems prepared for redundancy as personal dislike of David reaches an all-time high. Interviews with David's staff go between calling him a liar, or simply hurling personal insults at him.