for wearing hat during national anthem.The Dallas Cowboys owner who has insisted on keeping the NFL’s national anthem controversy in the headlines to the point that the league reportedly told him to shut his mouth now finds himself in the crosshairs for his own lack of decorum during the Star-Spangled Banner.Jones attended a Cowboys practice on Saturday that was opened by a trumpeter’s rendition of the national anthem. Dallas’ WFAA was there with cameras and caught Jones slipping at a very inopportune time.Jerry Jones refuses to take hat off for national anthemJones was wearing a Cowboys hat and did not remove it, a clear breach of protocol of acceptable behavior during the national anthem. To make matters worse, Jones’ son and Cowboys COO Stephen Jones appeared to point out the etiquette breach, only to find his suggestion that dad remove his hat promptly blown off.WFAA sports anchor Dale Hansen, a long-time fixture on the Dallas sports scene known for thoughtful, provocative commentary, called Jones out for his hypocrisy.