NRA is spending $3m on pro-Trump ad that says Clinton "will leave you defenseless"

The Citizens United ruling says that organizations like the NRA can spend as much as they want to support political candidates, provided that they don't coordinate with the campaign, which means that it's just a happy coincidence that the day after Donald Trump called on gun enthusiasts to assassinate Hillary Clinton and federal judges, the NRA announced that it would spend $3M on the most-expensive-to-date pro-Trump ad, which would focus on Hillary Clinton's alleged plan to "leave you defenseless" by taking away your guns. (more")