The top fundraisers for Clinton include lobbyists who serve the parent companies of CNN and MSNBC. The National Association of Broadcasters, a trade group that represents the television station industry, has lobbyists who are fundraising for both Clinton and Republican candidate Marco Rubio. Presidential campaigns are obligated by law to send the Federal Election Commission a list of lobbyists who serve as “bundlers,” collecting hundreds of individual checks on behalf of a candidate’s campaign. CNN’s parent company, Time Warner, is represented on Capitol Hill by Steve Elmendorf, an adviser to Clinton during her 2008 campaign, who is also known as...