When he returns to school in the fall, WSU student Jake Sirianni will have the best answer to “What did you do this summer?” The junior has landed a coveted summer internship at “The Tonight Show Starring Jimmy Fallon.” The internship comes thanks in part to a video Sirianni created in which he parodied Blackalicious’ “Alphabet Aerobics,” rewriting the song to include lyrics about why he would make a great intern and referencing bits from the show and writers he admires. “Here’s my declaration: dedicated, diligent and driven./Looking for an intern?