It's sometimes important to remember that our colleagues are really students at heart. I got an email this morning from a colleague serving on a committee I'm chairing asking if I didn't think that someone else in the department wouldn't want to serve on this committee in his place since he's so busy.
I'm trying to imagine a scenario in which someone in our department is pining for another committee assignment, but I have to admit, I'm not finding it likely.
Maybe something else is up that's making my colleague feel especially overwhelmed this term, but it's not departmental committee work. Or maybe he's turning into that rarity here, someone who turns off once s/he's gotten tenured and such.
Seriously, most of my colleagues work hard on several committees, with tenured members usually leading. But we do have one or two slackers, and we all know who they are, and we generally resent them. I hope this colleague isn't turning into one of them.
Meanwhile, as chair, I'd really appreciate if if he did the two smallish tasks we asked him to do in a timely fashion. Is that so much to ask?