I tightened some non-aero brake levers down on some handlebars, and then I noticed the front lever had a lot more resistance as a result. I thought the caliper return springs would make it a nonissue after I set them up, but it was only somewhat. The levers wouldn't complete return consistently. So I undid the cabling and loosened the lever clamps some until it felt "normal" again, put everything back, readjusted, and all better.
Apparently I shouldn't overdo the tightening of my hoods. I didn't think I was going overkill, but maybe I was. After I loosened the one, the hoods still felt pretty secure.
I was wondering, though, why clamping down too much deteriorates the spring return of the lever. I guess the clamp bolt does travel through the body of the lever so maybe I compressed something, which doesn't sound like a good thing to be doing at all. Anybody actually know and wants to enlighten me on the secret inner world of brake levers? And how tight should I be tightening those things until I know they won't slip while climbing Everest?