Congress grilled Pete Hegseth this week over the lack of progress ending the war in Iran — and things got ugly.  The defense secretary was repeatedly pressed about the Trump administration’s ever-changing, contradictory rationale for their decision to initiate the now-months-long conflict , particularly the claim that the Middle Eastern nation was on the verge of producing a nuclear weapon.  “Do you know how much enriched uranium was [created] after you ripped up the JCPOA?” Rep. Ro Khanna (D-