Sure there are all the political reasons to wonder. And also, Trump made a lot of specific pledges such as the wall, repealing Obamacare, cutting corporate tax

Sure there are all the political reasons to wonder. And also, Trump made a lot of specific pledges such as the wall, repealing Obamacare, cutting corporate tax rate. In each case it's easy to say whether it was done or not. So there's more opportunity to do this with him.