Defense Secretary Pete Hegseth testifies during a House Committee on Appropriations, Subcommittee on Defense hearing in Washington on May 12. Photographer: Anna Moneymaker/Getty ImagesLawmakers with oversight of Pentagon spending pressed Defense Secretary Pete Hegseth on Tuesday over the growing costs of the Iran war, as President Donald Trump suggested a fragile ceasefire with Tehran could break down. “There has been a consistent lack of transparency since this war began,” Representative Rosa DeLauro of Connecticut, the most senior Democrat on the House Appropriations Committee.