Replace lethal injection with Nitrogen Asphyxiation.
Strap the condemned down
Apply a brain wave detector
ventilator mask and flow 99% pure nitrogen (welding gas and 78% of Earths atmosphere)
Wait for the brain wave monitor to go flat line
Condemned goes to sleep. Cheap, No mess, no fuss, no needles, no drug shortage, etc
“Replace lethal injection with Nitrogen Asphyxiation.”
Drano would also work!