Head of international 737 MAX review, NTSB chair to testify before Senate

WASHINGTON (Reuters) - The chair of a panel of international regulators that harshly criticized the Federal Aviation Administration's certification of the now grounded Boeing 737 MAX will testify Tuesday before a Senate committee.Christopher Hart, a former National Transportation Safety Board chair who oversaw the review, will speak before the Senate Commerce Committee alongside current NTSB chairman Robert Sumwalt, the panel said in a statement Wednesday. They will appear after the testimony of..