He’s leaving his family’s conglomerate and Americans for Prosperity.

The billionaire Koch brothers’ political network wants to show it will punish Republicans who don’t support its agenda.

To anyone who follows politics, the Koch brothers are best known for spearheading a sprawling network of groups that invest millions in conservative, libertarian-leaning candidates and causes.

Outside groups -- including politically active nonprofits like the Koch brothers' Americans for Prosperity -- have spent more money trying to influence the 2016 Ohio Senate race between Republican Sen. Rob Portman and his challenger, Democrat Ted Strickland, than any other congressional contest: $15.5 million so far.

The press corps is threatened and depleted but continues to crank out quality journalism.