Commentary Once upon a time, the mantra of the libertarian Left was “keep the government out of the bedroom.” President Joe Biden and House Speaker Nancy Pelosi want to regulate any gadget or appliance with an electric switch that turns on in your house or your driveway. New Department of Energy rules will dictate the amount of water that comes out of your showerhead, how much warm air comes out of your heater and how much cool air comes out of air conditioners. There is even talk about gadgets monitoring your home’s temperature in the winter and summer months. How is any of this the government’s business? The latest shower regulations are especially aggravating. The new water-efficient heads make you stand in the shower much longer to get wet and wash your hair because the water pressure is low. It’s a drip, drip, drip policy. This is all reminiscent of …