By Doug MacCash NOLA.com | The Times-Picayune The bitingly satirical shoe box parade ‘tit Rex (pronounced T-Rex) that takes place Feb. 3, is 10 years old. In keeping with its smallness, the ‘tit Rex leadership has conceived what it believes to be the shortest theme in Carnival history … the letter “X.” Founder Jeremy Yuslum, who has lived in new Orleans since he was a mere baby, said that when the idea first crossed his