Republicans said the law was needed to prevent voter fraud, while Democrats said people who are poor or elderly often do not have such identification and are unable to get the certified birth certificate and other secondary proof of identification needed to get a state-provided ID in Indiana.

NPR: High Court Supports Indiana Voter ID Law

It might also help a driver maintain a defense if her or she is claimed to be pulled over for speeding, but the officer is really looking for other secondary infractions such as proof of insurance, seatbelt use and so on.

FORBES: Caught Speeding? There's an App for That