FOR IMMEDIATE RELEASE March 10, 2015 Semper K9 Adopts Next Assistance Dog Candidate Prince William, VA- Semper K9 Assistance Dogs, a 501(c)3 nonprofit organization in Northern Virginia, announces their second assistance dog candidate Semper K9’s Mikey. Mikey is a 6 month old lab mix who comes from Northern Virginia rescue organization Operation Paws for Homes.…