WASHINGTON (AP) — Secretary of State Marco Rubio is set to face a litany of questions Tuesday about the Trump administration’s fragile or stalling diplomatic efforts around the world when he appears for back-to-back hearings on Capitol Hill for the first time since the Iran war began. The former Republican senator will sit before House and Senate committees to make the State Department’s annual budget request. But the focus is likely to shift quickly to the already unsteady ceasefire between