Conversation so far:
What position did David Vitter take regarding immigration?
Vitter has been actively involved with legislation concerning illegal immigrants
Did David Vitter take any political positions regarding sanctuary cities?
In October 2007, Vitter introduced an amendment withholding Community Oriented Policing Services funds from any sanctuary city which bans city employees and police officers from asking people about immigration status.
Did David Vitter take any positions concerning immigrants and the banking system?
In November 2007, David Vitter introduced a bill requiring banks to verify that no customer was an illegal immigrant before issuing banking or credit cards.

Question: Did Vitter attempt to introduce any constitutional amendments concerning immigration?
Self-contained rewrite: Did Vitter attempt to introduce any constitutional amendments concerning immigration?