Biden and Warren have both benefited from a combined $24 million worth of spending by independent groups, while pro-Sanders groups have spent only $1.2 million.
Fossil fuels companies and executives have contributed $18.8 million so far, with Koch Industries leading the pack.
Over the last decade, the deep-pocketed former Republican used his wealth to help give control of the Senate to Republicans.
The recent donation is one of many contributions that GEO Group has made via its subsidiaries, potentially skirting federal campaign finance rules.
GOP megadonors helped Justice Kelly raised $800,000 in 2019, more than double his nearest challenger.
The tale of Wisconsin's lead poisoned children becomes "Exhibit A" in congressional hearing Thursday.
Four Democrats in the U. S. Congress received money from KochPAC in 2016 and so far this election cycle. Figuring out why they got the money isn't difficult.
CMD joins call for IRS to "vigorously" investigate coordination between the Trump campaign and the Donald J. Trump Foundation.
Koch network has pumped money into candidate campaigns for state attorney general, state Supreme Court, and state Court of Appeals.
Democrats unveil the 2018 DISCLOSE Act, a bill targeting dark money in politics.