CAIRO, Egypt - Al-Qaida's No. 2 figure harshly criticized Libyan leader Moammar Gadhafi in a new audio tape Saturday, accusing him of being an enemy of Islam and threatening a wave of attacks against the North African country because it improved relations with the U.S. ADVERTISEMENT In the 28-minute audio tape called "Unity of the Ranks," Ayman al-Zawahri also announced that the Libyan Islamic Fighting Group was joining ranks with al-Qaida. "The Islamic nation is witnessing a blessed step ... The brothers are escalating the confrontation against the enemies of Islam: Gadhafi and his masters, the Washington crusaders," al-Zawahri said...