Elise Gould, Senior Economist and Director of Health Policy Research at the Economic Policy Institute on her new report, "High Quality Child Care Is Out of Reach for Working Families"

Gabriel Zucman, Assistant Professor of economics at UC Berkeley, on The Hidden Wealth of Nations, his new book about how the 1% hide their wealth in tax havens -- and what countries must do to combat this practice.

Dave Johnson, Fellow with Campaign for America's Future on what you should know about the completed TPP deal

Matthew Purver, Reader in Computational Linguistics in the School of Electronic Engineering and Computer Science at Queen Mary University of London.

Ryan Gallagher, award-winning Scottish journalist whose work at The Intercept is focused on government surveillance, technology, and civil liberties.

Alan Pyke, Deputy Economic Policy Editor for ThinkProgress.org

Alan Abramowitz, expert on national politics, polling and elections.

Joseline Peña-Melnyk - Currently represents the 21st District in Maryland’s House of Delegates, running for US Congress in the 4th District of Maryland

Karl Frisch - Founder and Executive Director of Allied Progress