Greg Jennings doubtful for Thursday

When the 0-1 Packers face the 1-0 Bears on Thursday night for a key NFC North swing game, there’s a good chance they won’t have receiver Greg Jennings. Technically, there’s a 75-percent chance they won’t have him. Jennings has been listed as doubtful for the midweek blue-suit-guy special on NFL Network, with a groin injury…