A Texas man was put to death Wednesday evening for killing his parents at their Lubbock home 15 years ago during a drug-influenced rampage that also left his 89-year-old grandmother dead. Yowell tried to delay his execution, the 14th this year in the nation's most active death penalty state, by joining a lawsuit with two other condemned prisoners that challenged Texas prison officials' recent purchase of a new supply of pentobarbital for his scheduled lethal injection. The U.S. Supreme Court rejected the appeal minutes before Yowell was taken to the Texas death chamber Wednesday evening. Yowell already was on probation...