The former senator made a rare public appearance to stump for ibogaine, a promising Schedule 1 drug for brain injuries.
Former Sen. Kyrsten Sinema's campaign outspent most others on Capitol Hill for security despite not running for a second term.
Kyrsten Sinema’s security-related expenses in her final two years in the U.S. Senate topped all her former colleagues and rivaled spending in that category by presidential candidates.
Kyrsten Sinema returned to where her political career began: the Arizona House. She touted the benefits of ibogaine to treat military brain injuries.