Her child would be born in our Jurisdiction, while not invading or arriving as a diplomat. So her child could qualify if he could produce either a Photo-shopped or authentic BC from Gitmo. He could go back to Afghanistan and be raised there and then return to the USA for a political career.
A "BC" of any form declaring US Jurisdiction at birth are now the preeminent qualifying factors. Obama, exhibit 1. Inhereted Loyalty born of singular citizenship is now a relic of the past regarding the presidency. Obama, exhibit 1. Millions of Mexican national citizens are now qualified to be President of the USA. God Bless Mexico.
Your suggestion wins the prize for absurdity.