03/09/2009
https://www.congress.gov...
"Thank you for your continued communication with the American people."
"What conditions would prevail that would say we need to close the border between the U.S. and Mexico, if any?"
"But you also just said there are millions of people who will not be vaccinated."
"When would we have a sufficient number of vaccines necessary? I would be interested in when you anticipate for those original estimates will be met."