Congressional oversight of the presidency is one of the most fundamental pillars of American government, but Giuliani thinks Congress’ actions violate Trump’s constitutional rights.

“They are doing extraordinary things. For example, they are violating — they’re interfering with the president in exercising his rights under Article II: The president United States conducts the foreign policy of the United States,” Giuliani said. “They’re calling foreign leaders. They are going to foreign capitals.”

“This is worse than McCarthy!” he later added, presumably referring to Sen. Joseph McCarthy.