TSA is bringing back a part of air travel that disappeared after 9/11

Back before September 11, 2001, it was commonplace for family members to see their loved ones off at the departure gate, or be there to welcome them when they stepped off the jetway. But after the 9/11 attacks, which occurred 25 years ago this Friday, that changed. 9/11 ushered in a raft of strict new security measures at airports nationwide, including banning most people without a ticket from passing the security checkpoint (there are still rare exceptions, like for people seeing a chi...