Jerry Jones trying to help Dez Bryant, within limits

Jerry Jones is willing to stand by Dez Bryant — for now. But the Cowboys owner is also making it clear that Bryant’s running out of chances. “If Dez doesn’t have football, it’s a personal tragedy for him. He knows that’s at stake,” Jones told FoxSports.com’s Alex Marvez and Gil Brandt on SiriusXM NFL Radio.…