After a decade of success, Dabo Swinney is suddenly under fire at Clemson

Clemson head coach Dabo Swinney walks off the field after an NCAA college football game against Miami on Oct. 21 in Miami Gardens, Fla. (AP Photo/Lynne Sladky)

Clemson head coach Dabo Swinney reacts along the sideline during the second half of a game against North Carolina State on Oct. 28 in Raleigh, N.C. (AP Photo/Karl B DeBlaker)

Dabo Swinney is a bit testy these days, which is certainly understandable.