“The woman had good reason to be afraid of this man, as she told the dispatcher on the other side of the phone, this same abusive ex had put her in the hospital just a few weeks before. But the dispatcher has no one to send. Because the local sheriff’s department recently lost millions in federal funds, it laid off 23 of its 29 deputies and limited their availability to eight hours on Mondays through Fridays. The woman’s call to 911 took place on a Saturday.”