By Maayan Lubell and James Mackenzie JERUSALEM (Reuters) -Former Israeli Prime Minister Benjamin Netanyahu appeared well placed to return to power as exit polls following Tuesday’s election showed his right-wing bloc heading for a narrow majority lifted by a strong showing from his far-right allies. Israel’s longest-serving premier, on trial over corruption charges which he denies, was poised to take a narrow majority of 61 or 62 of the Knesset’s 120 seats, according to Israeli television exit polls. “It’s a good start,” Netanyahu, 73, said in a video broadcast by Israeli public broadcaster Ka…