premise: In all due respect, I'm not so sure it's credible to quote leading news organizations about -- oh, never mind. Anyway, let me quote the Lewin report. The Lewin report is a group of folks who are not politically affiliated. They analyzed the senator's plan. It cost $1.2 trillion.
hypothesis: The senator's plan is in US dollars
reason: The senator is presumably American, and his plan would be in American dollars