The Palestinian Authority’s "pay-for-slay" program helped make the Oct. 7, 2023, Hamas attack possible. That is the contention of a July 30 study by the Jerusalem Center for Security and Foreign Affairs (JCFA), which concluded that the P.A.’s policy of financially supporting terrorists “materially facilitated” Hamas’s ability to “prepare for and execute” the massacre.The P.A. "pay-for-slay" program provided indirect support for Oct. 7, IDF Lt. C…