Manning, who President Trump has called an “ungrateful traitor” makes the fifth contender for the seat, which Cardin is not expected to lose.
Chelsea, formerly Bradley Manning, served seven years of a 35 year sentence for leaking classified documents, which was commuted by President Obama just before he left office.
Manning has become prolific on Twitter since being released from prison. Here is an example of a recent tweet:
fuck the police 🚫🔫👮♀️🚔 #DisarmThePolice 😁🌈💕 #WeGotThis #LawEnforcementAppreciationDay pic.twitter.com/Ugo0XbkEVW
— Chelsea E. Manning (@xychelsea) January 9, 2018