This week: Guest Co-Host Christina Cassotis. Topics: 13 years of unpaid parking comes due; Spirit refutes competitors' talk of impending shutdown; Losses due to government flight reductions; Lots to say about Southwest - Leadership, lounges, and more; AUS Execs and others stopped by for PIT re-opening; Sec. Duffy works out at the airport; Peraton selected to overhaul FAA systems; Listener comments on Love Field, a correction re Finnair, and a listener-listener response.