By KIMBERLEE KRUESI, Associated Press NASHVILLE, Tennessee (AP) — A Tennessee inmate grimaced and waved goodbye before saying "let's rock," moments before he became the first man executed in the electric chair in that state since 2007, put to death Thursday for shooting two men and slitting their throats during a drug deal decades ago. Zagorski, 63, was pronounced dead at 7:26 p.m. Thursday at a Nashville