Flight insurance is a joke. Never buy it. show chapters OTM Web Extra CNBC's Carmen Wong Ulrich helps viewers manage their personal finances in this On the Money Web Extra. OTM Web Extra Tuesday, 16 Dec 2008 | 9:00 PM ET That’s what NBC travel editor Peter Greenbergdeclared in Tuesday’s Web Extra segment. But there are two kinds of insurance you should seriously consider on your next vacation. Watch the video to find out what they are.