By Paul Atreides Author, Playwright, and Theatre Critic at EatMoreArtVegas.compaul-atreides.com      The zany characters of Tuna, Texas, are back as Las Vegas Little Theatre presents A Tuna Christmas  by Jaston Williams, Joe Sears, and Ed Howard. All 23 of them, in this second installment of their Tuna comedy series. If you’re familiar with the Tuna franchise, Greater Tuna , A Tuna Christmas , Red, White & Tuna , and Tuna Does Vegas , you know how politically incorrect these