Rásaí na Gaillimhe 2, the second series of TG4’s riotously entertaining fast-moving comedy drama set around events on and off the course during the most hedonistic week of the summer – Race Week in Galway, returns to TV screens tonight. That rich backdrop of Ireland’s most famous and successful race festival is once again the perfect setting for an unfolding seven-part drama of dodgy schemes, misplaced dreams, wanton excesses and outright indulgence. The inaugural drama…