Israeli Prime Minister Benjamin Netanyahu is deliberately using the issue of the Philadelphi Corridor to avoid a Gaza ceasefire deal and hold on to power, an Israeli coalition source has told Haaretz. The unnamed source said the prime minister had decided several weeks ago to avoid a captive release deal and to insist on maintaining control of the Egypt-Gaza border area — a policy that is seen as convincing to Israeli moderates and right-wingers. The source said that the policy has worked, signified by the media’s focus on the issue. “None of the ministers, even those who know that Netanyahu i…