• AUD/USD flat Wed as market attention swings from RBA to FOMC

• RBA's Bullock: board did not consider a hike at this week's meeting

• Residual hawkish tone looks slightly contrived after unanimous hold

• New Fed Chair Warsh's first post-FOMC address late Wed will be pivotal

• Details of U.S.-Iran preliminary deal unclear, Trump flags imminent release

• AUD's struggle to break 0.7089 remains in play, drift lower seems likely

• Overnight range 0.70535-79, support 0.6834, resistance 0.7089 0.7200 0.7283
AUD Hourly Bollinger Study & DXY Daily 55-DMA

(James Connell is a Reuters market analyst. The views expressed are his own.)