How an app unfamiliar to Trump rocked his week

As President Donald Trump’s advisers this week took on the unenviable task of informing him a journalist he loathes was inadvertently added to a group chat discussing secret attack plans, one key detail required some further explanation.

​ As President Donald Trump’s advisers this week took on the unenviable task of informing him a journalist he loathes was inadvertently added to a group chat discussing secret attack plans, one key detail required some further explanation. Read More Breaking News, Latest News and Videos | CNN