Starting Wednesday, most U.S. travelers without a passport will be required to have a REAL ID to board domestic flights.⁠ ⁠ After more than a decade of warning this day would come, the TSA says every flier over the age of 18 will be expected to have the security-enhanced REAL ID or an approved alternative to pass through airport security checkpoints.⁠ ⁠ Here’s what you need to know.⁠ ⁠ Reporter/Host: Jacob Passy⁠ Producer: @juliamunslow