It's really just common sense: "Americans" who leave this country to fight for ISIS, or any other country or entity or group who is our
enemy,
should no longer be referred to as "Americans" by the press.
I know; fat chance.
Also, the laws governing the involuntary revocation of citizenship should be scrutinized to see whether they apply. If not, they could be expanded by the legislature to explicitly include fighting for designated foreign terrorist entities such as ISIS.
And this isn't just true of Somali-Americans or whatever hyphenated-Americans
might be guilty of this behavior. It's true of people like John Walker Lindh, one of the first "American" jihadis. Remember
him?
Four years ago, Joe Lieberman
proposed an expansion of the current law in order to make sure it included those who fight as jihadis abroad. Back then Lieberman said, "I'm now putting together legislation [so that] any individual American citizen who is found to be involved in a foreign terrorist organization, as defined by the Department of State, would be deprived of their citizenship rights." The case has only grown stronger in the intervening years.
Lieberman didn't succeed back then, but the relevant statute is
here. These portions seem especially apropos: