Why did they specify that the power granted was for commerce “between the States” if it was, in fact, the power to regulate ALL commerce, all activity that might have an effect upon commerce, and even non-activity that might have an effect upon commerce?
Thomas Jefferson
"With respect to the two words "general welfare," I have always regarded them as qualified by the detail of powers connected with them. To take them in a literal and unlimited sense would be a metamorphosis of the Constitution into a character which there is a host of proofs was not contemplated by its creators."
Constitutional architect James Madison in a letter to James Robertson
"If Congress can do whatever in their discretion can be done by money, and will promote the General Welfare, the Government is no longer a limited one, possessing enumerated powers, but an indefinite one, subject to particular exceptions."
James Madison, 1792
I'll take their word for it!