EVANSTON—In a shocking display of prejudice, Ashlee Jones, Delta Zeta sorority sister, threw up on the front steps of Phi Psi’s fraternity house Saturday night. Jones, who was dressed up as “sexy Big Bird,” consumed three Jello shots at Delta Upsilon, five Natty Lights at Pike, and one “something fucking delicious” at Lodge. “This was obviously an attack on Phi Psi. She didn’t get the alcohol from us. Her stomach contents were her metaphorical pen, hate her message,” said Phi Psi