Laurence Tribe — American Lawyer born on October 10, 1941,

Laurence Henry Tribe is a professor of constitutional law at Harvard Law School and the Carl M. Loeb University Professor at Harvard University. He also works with the firm Massey & Gail LLP on a variety of matters... (wikipedia)

Nothing in the 14th Amendment or in any other constitutional provision suggests that the president may usurp legislative power to prevent a violation of the Constitution.
The Second Amendment does protect the right to people to possess weapons for self-defense in the home. That's what the Supreme Court said.
There are a lot of things that fit on a bumper sticker in terms of either liberty or equality or progress that when made more concrete just don't pan out.
The Constitution grants only Congress - not the president - the power 'to borrow money on the credit of the United States.'
We need to do something about the culture of violence.