Democratic senator Chris Van Hollen says Trump administration hasn’t properly invested existing fundsDonald Trump’s administration on Sunday blamed the travel chaos stemming from Friday’s four-hour nationwide flight stoppage on prior presidents as well as a lack of congressional funding – though a Democratic senator argued that the Trump administration hasn’t properly invested all of the funds it has already been given to implement needed air travel infrastructure upgrades.“I take responsibility for what was given to me by prior administrations,” the US transportation secretary, Sean Duffy, told CNN’s Dana Bash, a day after he said routine but necessary maintenance botched by a contractor had caused Friday’s Federal Aviation Administration (FAA) ground stop, leading to the delay or cancellation of thousands of flights. Continue reading...