"The economic ramifications are very real, and this special interest lawsuit has done a lot of damage to the city, " Mr. Stringer said, urging Mr. Bloomberg and City Council leaders to convene to find a way to settle the judge's concerns about the law.

WSJ: Court Nixes Taxi Plan

Caballero "has suffered and continues to suffer emotional, psychological and economic damages" since rebel forces kidnapped, tortured and killed his father, the lawsuit says.

CNN: Son sues rebels over father's slaying in Colombia