Xudan Liu ’10 and Ainsley K. Braun ’10, both of Pi Beta Phi, performed as Ken and Barbie in the Sigma Kappa Late Night fundraiser for Alzheimer’s disease research. William Yee—The Tech May. 9, 2016 Facebook Twitter Reddit Print Xudan Liu ’10 and Ainsley K. Braun ’10, both of Pi Beta Phi, performed as Ken and Barbie in the Sigma Kappa Late Night fundraiser for Alzheimer’s disease research. William Yee—The Tech