Actually, he is not "anti-constitution". He regularly trolls the Supreme Court. If this is your initial encounter with him then I'm sure you must be shocked. Read the article in context
I don't need to. I heard the direct quotes regarding his disdain for our constitution. "Don't consider it for even a few seconds." That's all we need to know. He took an oath on our Constutition to uphold it. He needs to be impeached.
And on another note
about academia and practical law, I see absolutely no value to a judge of spending decades, years, months, weeks, day, hours, minutes, or seconds studying the Constitution, the history of its enactment, its amendments, and its implementation