Joshua Sinai: ‘Harpoon’ book review

HARPOON: INSIDE THE COVERT WAR AGAINST TERRORISM’S MONEY MASTERS By Nitsana Darshan-Leitner and Samuel M. Katz Hachette Books, $27, 304 pages Terrorist groups like ISIS raise hundreds of millions of dollars to finance their activities and attacks through illicit means. The Islamic Republic of Iran bankrolls its Palestinian Hamas and Lebanese Hezbollah proxies with large flows…