HEAT WAVES ARE NO STRANGERS to Texans. The current one we’re experiencing isn’t even the worst one we’ve known. The record-setting heat waves were in 1936, 1980, and 2011. Of course, we’re only in June, so 2022 may set records, too. The thing about a heat wave is this. It’s a block of time like a cold spell. Both weather phenomena interrupt regular activity. The weather limits our routines. The…