Delivery US same-store sales in the fourth quarter decline by nearly 7%.

Same-store carryout sales jump 20% in third quarter.

Staff shortages are impacting operations, especially around delivery.

US delivery same-store sales fall 11% amid driver shortage.

Pizza company pushing young people to purse career in agriculture.

Weiner to take over as CEO; Reddy to CFO.

The chain will focus on online-only and reduce number of wings in orders.