TEL AVIV – An email reportedly sent to Hillary Clinton by former Clinton White House staffer Sidney Blumenthal quotes an intelligence source providing information that “wealthy Sunni Islamists in Saudi Arabia” funded the Sept. 11, 2012, attack on the U.S. special mission in Benghazi. The leaked emails were published by Russia Today, which says it was forwarded the emails from Blumenthal’s AOL account by the hacker using the alias “Guccifer.” “Guccifer” reportedly hacked Blumenthal’s email in March 2013. Guccifer has since been identified as Marcel Lazar Lehel, a Romanian hacker serving a seven-year sentence for hacking into the accounts of...