Britain's Prime Minister Boris Johnson has announced a cautious timetable ending the country's COVID lockdown, one of the strictest in the world with almost all foreign travel outlawed under the guidelines. But the full lockdown isn't due to finish until at least late June, while mental health issues are increasingly being amplified. Special correspondent Malcolm Brabant reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders