Is 18 U.S.C. § 922(g)(1) facially unconstitutional under the Second Amendment and does it violate the Commerce Clause when the government's only jurisdictional burden is to prove that a part of the firearm crossed state lines at some point in the indeterminate past?

1. Is 18 U.S.C. § 922(g)(1)—convicted felon in possession of a firearm —facially unconstitutional under the Second Amendment ? 2. Does 18 U.S.C. § 922(g)(1) violate the Commerce Clause when the government’s only jurisdictional burden is to prove that a part of the firearm crossed state lines at some point in the indeterminate past ?