"Promises broken," said Julián Castro, who served with Biden in Obama's cabinet.
The 21-year-old was charged with unlawfully taking and sharing a trove of highly classified intelligence documents, in a security breach that exposed significant vulnerabilities in how the U.S. retains its most closely held secrets.
Residents of town of Dighton, Massachusetts, stunned by news of arrest of 21-year-old air national guardsman Jack Teixeira