Birthright Citizenship is NOT in the Constitution

This topic has long been debated with no resolution including at the Supreme Court level. Much has been written about what ‘birthright’ is including in the New York Times as recently as in 2015.
The simply requirement is subject to the jurisdiction of the United States, not subject to a foreign power. A birth must be to parents who were legally domiciled to the United States as citizens themselves. There is no such thing legally as an anchor baby. There must be a provable bind to the United States.
President Trump has ordered a team to investigate the definition of the 14th Amendment leading to his possible signature of an Executive Order which would lead government agencies to act in accordance with the clarification and regulations around the Citizenship Clause.