Complex sentence: Munson, moved by Cooley's action, cites the "tragic circumstances" surrounding the confirmation; although the majority leader will vote for Leffingwell, he will permit a conscience vote from others.
Split into simpler sentences: Munson, moved by Cooley's action, cites the "tragic circumstances" surrounding the confirmation. Although the majority leader will vote for Leffingwell, he will permit a conscience vote from others.