I don't like it. As Charles writes, NO means NO, ALL THE TIME, and, while Congress may believe this is consistent with laws demanding all States accept the validity of a driver's license from any one State -- and seen in this light, it is consistent -- this will be yet another strike against the Tenth Amendment.
Now, there will be yet another precedent by which same-sex "marriages" may be imposed on us all.
Bad enough the BATF exists; I don't want them in charge of another damn thing, especially not reciprocal "concealed carry", and I don't want them having a database of us by which to do it.
Bachmann is beginning to look to me like she doesn't think these things through to their logical, Constitutional end.