Before competing in his first trial advocacy tournament last weekend, Argie Mina was feeling something between excited and terrified.“It was daunting. At first, I didn’t think I was going to be prepared but it turned out well,” said Mina, a second-year student at Northwestern Pritzker School of Law.It turned out so well, in fact, that Mina and his three teammates on the Bartlit Center trial team won the Summit Cup championship and were undefeated after five rounds of competition.The University of Denver …