So... what's a conscientious (but lazy) parent to do?
The Washington Post today offers a refresher on how much screen time is too much. The bottom line - no more than two hours a day.
Since K. loves (and I mean looooooooves) Mickey Mouse Clubhouse, I try to make up for the fact that I let him watch it twice per day (once while I am showering, and the other time right after bath as a means of "settling down" before bedtime) by reminding myself that we never* go over that two hour limit. Good to get some affirmation from the experts!
*full disclosure: well, ALMOST never...