The extremist Israeli Jewish Power party, headed by National Security Minister Itamar Ben-Gvir has placed an advertisement criticising Ronen Bar, the head of the country’s Shin Bet intelligence agency, in a sign of further divisions within the Israeli government. The advert, which appeared in Israeli newspapers on Sunday, featured the party’s logo and a photo of Bar and warned against a “reckless” deal to end the war on Gaza. “Ronen Bar failed on October 7 and is leading Israel to another security disaster,” it said, the Haaretz newspaper reported. “Say no to a reckless deal.” Monthslong effor…