> Where in the US Constitution does it say presidents cannot threaten companies?
The Articles of the US Constitution aren't an enumerated list of illegal actions. It's the wrong place to look for limitations of presidential power.
I love that our expectations of the current president are so low that we will use excuse them because "the previous presidents did it too!" You aren't actually saying what he's doing is legal; you are simply increasing the importance of precedent over the statutory restraints of power -- it's a very dangerous argument to make.
