Robert F. Kennedy Jr.’s running mate, Nicole Shanahan, tried to pay a Washington Post reporter a hefty $500,000 to kill a profile she was writing on the Silicon Valley billionaire. The reporter didn’t respond to the offer, and the Post published its profile of Shanahan Wednesday morning, where the attempted bribe was revealed. Shanahan made the offer in June, texting one of her associates who was contacted by the Post that she would “pay your friend,” referring to the reporter, “half a million