Lindsey Graham looks like a full-blown Disney adult on Spring Break ... because he spent 3 days at the Mouse House over the weekend after failing to talk his colleagues into keeping the government open. We got a new photo from an American patriot answering TMZ's call to take photos and videos of members of Congress on vacay -- while thousands of federal workers go unpaid as rent comes due -- and it shows Lindsey on Saturday night, getting ready to ride Space Mountain at Disney World's Magic