I did a search for "bloomberg money influencing oklahoma politics" and this came up.
https://www.nytimes.com/2018/11/30/us/politics/michael-bloomberg-democrats-donate.html
First paragraph:
https://www.nytimes.com/2018/11/30/us/politics/michael-bloomberg-democrats-donate.html
First paragraph:
A week before the Nov. 6 election, Kendra Horn, a Democratic House candidate in Oklahoma, received unexpected good news from her television consultant: Michael R. Bloomberg’s political action committee, a leading supporter of Democratic candidates, had purchased more than $400,000 in advertising on Oklahoma City television.