Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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(CNN) – In the wake of a passenger plane being shot out of the sky, and news that airlines are suspending operations into and out of Tel Aviv, many travelers are probably asking themselves: Is it safe to fly right now, over any troubled region of the globe?
"The Malaysia Airline incident must have reinforced the importance of being better safe than sorry. No question. I think travelers would appreciate that," said former secretary of homeland security Michael Chertoff, founder and executive chairman of The Chertoff Group.
The surface-to-air missile that shot down Malaysia Airlines Flight 17 "is not normally what one sees in the hands of terrorists," he said.
"The bigger issue is what do you do about parts of the world where the airport itself is in an insecure area. That means a plane coming down to land, or taking off, or the airport itself might come under attack by a less sophisticated weapon," such as a shoulder-fired anti-air missile, says Chertoff.
For more of our interview with Micheal Chertoff, check out the video above.