Ted Cruz blathered on about why we should sign the Paris Agreement when Paris is in another country. It's all performative for their uncurious base who they know will never cross-reference what they say. Cruz went to an Ivy, btw. He's not stupid. He's a smart, grifting, dishonest asshole.
I'm thinking Rudy got very drunk at his party, which should come as a surprise to no one, and decided to post that. Then, after he got served, his lawyers made him delete it.