“Rick Scott swears he’s not up to something,” Politico reports.”Fresh speculation about the Florida Republican’s ambitions erupted again in recent days after he invited President Donald Trump to address the Senate at an especially sensitive moment — and without Majority Leader John Thune’s express approval. Then, he circulated a letter outlining how he thought the Senate GOP should be preparing for the November midterms.”“But Scott insists those who see this as a prelude to a leadership challenge have it all wrong.”