Charisma is a crucial component of a politician's appeal to voters. But there's more than one way to inspire confidence.
Does tipping in restaurants improve service and bring in much-needed revenue for waitstaff?
Or is it, alternatively, an archaic practice that does nothing to improve service, results in overall lower wages for waiters and waitresses and creates a pay disparity with other kitchen staff?
We ask food writer Corby Kummer of The Atlantic and Boston Magazine.