Reuters/Ipsos poll finds 66% of Americans, including one‑third of Republicans and almost all Democrats, say Trump hasn't explained Iran war goals.
The conflict, which began on Feb 28 with a U.S.–Israeli bombing campaign, is now in its third month according to the report.
Trump's approval rating rose to 36%, up points since April; 63% say gasoline price hikes hurt finances, up from 55% in March.
Poll indicates voters attribute blame to Trump’s Republican allies as they defend congressional majorities in the November midterm elections.