By Alek Arend Jerry Jones has become unhinged. During a press conference following the first round, the Cowboys owner appeared to show his entire draft board to the media. The Cowboys spent their No. 24 overall pick on offensive tackle Tyler Smith. It wasn’t a flashy selection, but it’s one that has been met with some criticism. Jones defended the pick during a press conference following the first round, but may have taken things a bit too far. The Cowboys’ owner revealed a copy of the team’s draft board as he tried to prove Smith was his highest-rated offensive tackle available at the time. T…