Welcome back to your weekly federal politics update, where Courtney Gould gets you up to speed on the happenings from Parliament House.It's the word on everyone's lips: fuel.Up and down the hallways of Parliament House there's a growing sense of unease about what lies ahead as the war in the Middle East puts the Australian economy on an uncertain path.Since the conflict began, petrol prices have risen to more than $2.56 a litre Australia's supply of fuel is fine, he's argued