'The right to keep and bear arms isn’t absolute,' Rogers told the House. 'The Second Amendment protects the rights of law-abiding and responsible citizens, but not those who pose a serious threat to themselves or others,' she said.
Now, correct me if I am wrong, but I can't seem to find the part about 'law-abiding and responsible' in the text of the Second Amendment. Nor can I find any litmus test for determining who may be proactively denied their 2A in the text.
Sounds like the Blackmun penumbra argument to me...
I prefer Mister Jefferson's 'unalienable', personally.
Here's the piece from the American Bar Association.