Defense Secretary Ash Carter announces new rules allowing transgender individuals to serve openly in the U.S. military, during a news conference at the Pentagon on Thursday.
Passengers walk through a TSA checkpoint area at Los Angeles International Airport. Security experts say making airports safer is a huge challenge because public areas are designed for commerce.
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Travelers go through the TSA PreCheck security point at Miami International Airport on June 2. The number of TSA PreCheck applicants has more than doubled owing to record security wait times.
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