Bernie Sanders — American Politician born on September 08, 1941,

Bernard "Bernie" Sanders is an American politician and the junior United States Senator from Vermont. A Democrat as of 2015, he had been the longest-serving independent in U.S. Congressional history. Sanders has been the ranking minority member on the Senate Budget Committee since January 2015. He is a candidate for President of the United States in the 2016 U.S. presidential election... (wikipedia)

Here is what the practical impact of Citizens United means. What Citizens United means is that corporations call hundreds of millions of dollars into television ads, radio ads, and other forms of advertising to defeat those candidates who stand up and take them on.
Let us wage a moral and political war against the billionaires and corporate leaders, on Wall Street and elsewhere, whose policies and greed are destroying the middle class of America.
What the American people want to see in their president is somebody who not necessarily can win every fight, but they want to see him stand up and fight for what he believes, take his case to the American people.
Finally, let understand that when we stand together, we will always win. When men and women stand together for justice, we win. When black, white and Hispanic people stand together for justice, we win.
For many, the American dream has become a nightmare.