Progressive Media Resources Group

http://whowhatwhy.org/ - Investigative in depth reporting

http://www.nakedcapitalism.com/ - watchers of all things Wall Street and finance

http://wagingnonviolence.org/ - Waging Non-Violence

https://www.washingtonpost.com/news/monkey-cage/ The Monkey Cage, now at WPost

http://www.aeinstein.org/ - "Advancing peace with non-violent action

http://altwire.utne.com/zine/activistmedia_v3 - Utne Magazine's Activism Section

https://citizenactionmonitor.wordpress.com/ - Citizen Action Monitor

http://www.citizensforethics.org/ - Congressional watchdog, like a listing of the most corrupt members of Congress

http://www.nationalmemo.com/ - political news from a farcical point of view

http://legalschnauzer.blogspot.com/ Legal Schnauzer - one of my favorites. About Alabama politics, which has its tentacles in national news

http://www.addictinginfo.org/ National issues blog

https://www.muckrock.com/news/ - news about public records and FOIA

http://downwithtyranny.blogspot.com/ News Blog

http://www.opensecrets.org/ Congressional Watchdog

https://www.wired.com/category/security/ Used to be called Threat Level. Not just about security.

https://eatprayvote.org/

http://reason.com/

http://www.bipartisanreport.com/ - maybe the irony is that this is anything but bi-partisan! Very liberal leaning. I just found this, so can't yet vouch for its credibility.