Elizabeth Holmes has three people to be thankful for this holiday season ... her husband and their two children -- who went to visit her in federal prison. The disgraced former tech CEO sat in the yard of Federal Prison Camp Bryan in Texas Friday -- where Ghislaine Maxwell and former 'Real Housewives' star Jen Shah are also locked up -- to spend time with her husband, Billy Evans , and their two kids. Elizabeth and Billy are sat across from one another seemingly just catching up while their