Shiv Aroor breaks down the critical questions looming over the conflict more than five weeks in - from escalating brinkmanship and shrinking space for negotiations to the possibility of a ceasefire and a broader deal. With a deadline approaching, a proposed 45-day ceasefire under discussion, and back-channel efforts reportedly involving regional players, the focus is now on whether Washington and Tehran can reach an agreement on Hormuz, nuclear concerns, and de-escalation - or whether the war is set to widen further.