Yeah but Trump is the one who baited Romney into releasing his and now in typical hypocrisy won't do it himself. The point of Taxes is to prove that foreign powers don't have their fingers in your piggy bank, which we already know that Trump sold some property to a member of Putin's inner circle. There is nothing illegal about corporations giving money to candidates so long as they stay within the rule of law, while it is morally reprehensible it is not illegal. People like Hillary jump sheer cliffs to make sure it all stays legal.
Getting rid of Citizens United would be a great start and should never of existed in the first place. But finding out your potential leader has Foreign governments influencing him with profits is entirely illegal and can cost you an election AND your freedom.
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My grandfather always said while taking me on fishing trips that, "A fish wouldn't get caught if it kept it's mouth shut." Race baiting? Don't bite. Good advice for Trump as well, but he won't listen.