<Please go back and retake your Civics class.>
From people I believe to be more learned on the subject than I.
http://www.milbank.com/images/content/6/6/6670/11-10-2011-Seeking-Disapproval-Presidential-Review-Of-ITC-Orders.pdf
The analysis of the 5 cases in which Presidents disagreed with the ITC decision seems to indicate that such decisions are not based on whims or personal preferences. But perhaps I need a remedial reading course as well as civics.
Opty