Rep. Ro Khanna (D-CA) is sticking by Maine Senate candidate Graham Platner in the face of controversy as he announced a get-out-the-vote rally with Platner in Maine for Friday.Platner’s campaign was hit with another scandal this weekend, as news broke that he sent sexually explicit text messages to multiple women while married to his wife, who knew of the messages. Despite some Democrats, such as Sen. Cory Booker (D-NJ), voicing concern over the scandal, Platner has remained focused on campaigning against Sen. Susan Collins (R-ME), and his progressive allies, like Sen. Bernie Sanders (I-VT), have maintained support for his campaign.Khanna...