'Check, one two': Technical glitch hits US presser on air travel chaos
<p>Trump administration officials were left red-faced on Saturday when their public effort to address the <a href="https://www.dawn.com/news/2044466">massive tech disruption</a> that <a href="https://www.dawn.com/news/2044471">grounded</a> thousands of US flights was itself hit with embarrassing technical glitches.</p> <p>Secretary of Transportation Sean Duf