As long as the pardon met the conditions of the Constitution, as discussed below, it would have to be found within the President's powers. Besides, it would require a case be first brought to the Court through appeal and the plaintiff would have to show injury from the pardon. I can't imagine what that would include.
Organic fruits and vegetables also contain higher amounts of Vitamin A, Vitamin C, and sulfur, which all boost liver detoxification and cleansing. Broccoli, Brussels sprouts, kale, collards, apples, onions, garlic, and squash are all great choices. Also see: 10 Foods to Cleanse and Care for Your Liver.
I often brew a few cups of it, let it steep for a while, add lemon juice and sip on it all day. Carrots are another food rich in glutathione, a protein that helps detoxify the liver. In addition to the detox properties, carrots contain good amounts of vitamin C, B6 and potassium. They also loaded with vitamin A and K, too! It's best to eat these raw.