“I am grateful to the Vatican for inviting me to talk about an issue that is very dear to my heart, which is how we create a moral economy that works for all of the people rather than just the top one percent,” Sanders said in an interview. “I will also in my remarks be addressing the planetary crisis of climate change and the moral imperative to make sure we leave this planet in a way that is healthy and habitable for future generations.”

Not certain yet that he'll meet the pope. Stay tuned.