Today marks another important deadline in the US's stringent passport requirements for people from countries that are part of the Visa Waiver Program.

All passports issued after 26 October in VWP countries must contrain biometric data –...

Since last March, anyone in the UK applying for a renewal or new passport has received a biometric one that can store fingerprints, facial scans and iris patterns on a built-in chip.

Because they’re believed to be more secure than traditional...