Key Points:

• Biden calls these 'dark days' as he urges Americans to 'get back up' Biden listed examples of people who are standing their ground against threats from the current administration .
• He said America depends on a presidency with limited power, a functioning Congress and an autonomous judiciary .
• Mr.
• Biden, (82), speaking publicly for the first time since completing a round of radiation therapy for an aggressive form of prostate cancer, addressed an audience in Boston on Sunday night .