Page:Joseph Story, Commentaries on the Constitution of the United States (1st ed, 1833, vol I).djvu/386

 346 congress, every member of the legislative body is bound to examine, and decide for himself, whether the bill or resolution is within the constitutional reach of the legislative powers confided to congress. And in many cases the decisions of the executive and legislative departments, thus made, become final and conclusive, being from their very nature and character incapable of revision. 'Thus, in measures. exclusively of a political, legislative, or executive character, it is plain, that as the supreme authority, as to these questions, belongs to the legislative and executive departments, they cannot be re-examined elsewhere. Thus, congress having the power to declare war, to levy taxes, to appropriate money, to regulate intercourse and commerce with foreign nations, their mode of executing these powers can never become the subject of re-examination in any other tribunal. So the power to make treaties being confided to the president and senate, when a treaty is properly ratified, it becomes the law of the land, and no other tribunal can gainsay its stipulations. Yet cases may readily be imagined, in which a tax may be laid, or a treaty made, upon motives and grounds wholly beside the intention of the constitution. The