He went to a gas station and asked the clerk to call a cab as he paced nervously around the store.

NPR: Records Provide New Look At Ariz. Shooting Spree

The decision has ramifications beyond striking down a plan to put street-hail cars in boroughs outside Manhattan's central business district, where people looking for a ride usually must call a livery cab to pick them up or hope that a yellow taxi passes by.

WSJ: Court Nixes Taxi Plan

People can also prebook a cab the day before and click to call the cab.

FORBES: Cabulous Rebrands As Flywheel, Adds Non-Taxi Drivers

Loughner went to a convenience store immediately before the shooting and had the clerk call a cab for him.

NPR: Major Findings In Records About Giffords Shooting

Call (and pay for that person's cab ride home, or drive that person's car home and then call yourself a cab back to the job or the party.) When a person is feeling low, a little kindness from someone who has just accused that person of carrying horrific germs should go a long way toward forgiveness.

CNN: Commentary: Etiquette and the flu