@CNN: When former NASA astronaut Mark Kelly announced his bid for the US Senate, he did what an increasing number of Democratic candidates have done recently: He swore off donations from corporate PACs. Here’s a look at what that means. https://t.co/lMp16i5EOt https://t.co/XoCjUgRvEI

@CNN: When former NASA astronaut Mark Kelly announced his bid for the US Senate, he did what an increasing number of Democratic candidates have done recently: He swore off donations from corporate PACs. Here’s a look at what that means. https://t.co/lMp16i5EOt https://t.co/XoCjUgRvEI