The Brookings Institution:
Brookings Cafeteria
Brookings Events

The Council on Foreign Relations:
The World Next week
The President’s Inbox
CFR Events…

The Center for Strategic and International Studies:
CSIS Podcast
CSIS Events

The CATO Institute:
Daily Podcast
Events Podcast…

American Enterprise Institute:
Banter Podcast

(not a think tank but was mentioned in the video)
Global Politico
Off Message