LAT:

Hillary Rodham Clinton knows her plan to stop big businesses from secretly funneling tranches of cash into politics may not fly with the Supreme Court and Congress, so she has a backup plan: publicly shame the companies.

Clinton is embracing one of the few effective tactics for loosening the grip on big money in politics. The plan she announced Tuesday to force publicly traded companies to disclose all political giving comes as a growing chorus of academics and activists are finding new ways to expose companies that hide their political maneuvering.

Many major companies are responding by coming clean. They are getting out of the game of giving so-called dark money, or funding from nonprofit groups that aren’t required to disclose the sources of their money. In many cases, the donations became a public relations nuisance and even a corporate liability