Farmers can tally the cost of crops left to rot as workers flee. Governments can calculate the loss of revenues when taxpayers flee. It’s harder to measure the price of a ruined business reputation or the value of investments lost or productivity lost as Alabamians stand in line for hours to prove their citizenship in any transaction with the government. Or what the state will ultimately spend fighting off an onslaught of lawsuits, or training and deploying police officers in the widening immigrant dragnet, or paying the cost of diverting scarce resources away from fighting real crimes.