You may want to plead the fifth — or better yet, take a vow of silence — when retrograde Mercury conjoins Mars on May 27. This is when speaking out of turn could have disastrous consequences. It’s not unlike the time when media mogul Martha Stewart — who used to be a broker on Wall Street — waived her right to a lawyer to sit down with the FBI to explain her side of the story regarding the questionable sale of her ImClone shares. The result of that little chitchat was five months in prison for lying and obstruction of justice. Now nobody’s saying you’ll suffer a similar fate, but you could unintentionally give away the game by saying too much or make a situation worse by patching over the cracks in your story. The less said the better.