Summary: In an intercepted electronic communication, al-Qaida’s two top leaders — Ayman al-Zawahiri, head of al-Qaida Central, and Nasir al-Wahishi, leader of al-Qaida in the Arabian Peninsula — agreed they wanted to do “something big” on the Muslim holiday Laylat al-Qadr, the 27th night of Ramadan, which in 2013 fell on the weekend of August 3-4.