Buried in the campaign finance reports available to the public are some troubling connections between a group of wealthy donors with ties to Russia and their political contributions to President Donald Trump and a number of top Republican leaders. And thanks to changes in campaign finance laws, the political contributions are legal. We have allowed our campaign finance laws to become a strategic threat to our country.

https://www.dallasnews.com/opinion/commentary/2017/12/15/putins-proxies-helped-funnel-millions-gop-campaigns