'I may lose my mind': Frustrated travelers stuck in US flight havoc

In brief

'I may lose my mind': Frustrated travelers stuck in US flight havoc Citizen DigitalFAA lifts nationwide ground stop that disrupted thousands of flights; White House says no indication of "nefarious act" CBS NewsCopper wire upgrade caused nationwide flight suspension, US transport secretary says BBCNationwide flight delays and cancellations continue after FAA lifts ground stop AP NewsFAA ground stop latest updates…