The X-ray machines are not in use at Dallas-Fort Worth, Denver, Hartsfield-Jackson Atlanta, Las Vegas and San Francisco airports. A prior version of this story incorrectly stated they did.
In an earlier version, the story gave the wrong day for the Oct. 22 presidential debate. It is a Monday, not a Wednesday.
An earlier version of this story said the 58 cents a share Intel reported was excluding items. In fact, 58 cents was the GAAP number, which includes items. Excluding items, the company reported earnings of 60 cents a share. Analysts look at the GAAP number.