Presidential hopeful Sen. Kamala Harris (D., Calif.) will campaign for the co-sponsor of Virginia's controversial abortion bill this weekend. The Harris campaign announced on Thursday that the senator will attend events in northern Virginia. Harris will be on hand to launch voter canvassing operations for state delegate Kathy Tran, who co-sponsored and presented a radical abortion bill that would have permitted unrestricted abortion through the third trimester of pregnancy. Harris's national press secretary Ian Sams tweeted the news and mentioned Tran's Twitter account alongside Dan Helmer's, who is running in Virginia's 40th district. Ian Sams @KamalaHarris to campaign for Virginia...