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Duffy blames national ground stop, travel chaos on aging infrastructure
Hundreds of flights are canceled or delayed after a national ground stop ended. CBS News' Kris Van Cleave, Anna Schecter, Lana Zak, Shawna Mizelle and Taurean Small report.
Duffy, officials give update after nationwide ground stop lifted
Duffy blames national ground stop, travel chaos on aging infrastructure
Live Coverage: Tracking flight cancellations, delays after FAA's nationwide ground stop
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Van Hollen says he'll challenge Schumer for Senate majority leader
Zelenskyy pushes for Europe to become part of Russia-Ukraine negotiations
