Nothing for Obama to gain so this son is being ignored.
Check it out:

Secretary of State John Kerry missed an opportunity to bring Sgt. Andrew Tahmooressi home when he was in Mexico for a late May meeting with Mexican officials and “he raised the issue,” says Jill Tahmooressi, the mother of the imprisoned Marine.

“We were hoping that Secretary of State John Kerry would bring home Andrew — it would’ve been a perfect opportunity to bring him home,” Jill Tahmooressi told J.D. Hayworth on “America’s Forum” on Newmax TV on Friday.

“However, on the last day of his visit, I believe he raised the issue, there were those three words that were put out into print into press, he ‘raised the issue,'” she explained.