Mayor Zohran Mamdani signed an executive order recognizing 9/11 Friday — and then gave the symbolic pen to his controversial aide who once represented an al-Qaeda terrorist with links to the attack on the Pentagon.Administration officials were gathered at City Hall for a pair of executive orders — ahead of the 25th anniversary of the Sept. 11 attacks — one establishing a Day of Remembrance and another beefing up security against future terror threats. After Mamdani signed the last of the documents, Hizzoner gave Police Commissioner Jessica Tisch the ceremonial pen, and whispered, “Can you pass this?” Tisch awkwardly handed...