Jordan’s moderate Islamist opposition made significant gains in Tuesday’s parliamentary election, initial official results showed on Wednesday, boosted by anger over Israel’s war in Gaza and recent incursions into the occupied West Bank which have killed dozens. The Islamist Action Front (IAF) also benefited from a new electoral law that encourages a bigger role for political parties in the 138-seat parliament, though tribal and pro-government factions will continue to dominate the assembly. The IAF, the political arm of the Muslim Brotherhood, won up to a fifth of the seats under the revamped…