I, personally, wouldn't do anything about clearing the air. Why? Because he's not going to listen and/or believe a word you say at this time. You have no control over what the ow's husband does or doesn't do. So, let your h figure that one out.
When in doubt...do nothing.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
