JERUSALEM, Nov. 20 (Xinhua) -- Israeli Prime Minister Benjamin Netanyahu's challenger, Benny Gantz, announced Wednesday he had failed to form a government by the midnight deadline, increasing prospects for the third elections in Israel in less than a year. Gantz, leader of the centrist party of Blue and White and Israel's former military chief, accused Netanyahu of refusing to drop demand for parliamentary protectons. Netanyahu was tasked by the president with forming a new governing coalition ahead of Gantz because he was supported by a larger right-wing bloc. But, like Gantz, he failed to gain a 61-seats majority needed to...