Remember the movie The Graduate? Benjamin Braddock was given one word of advice for his future career: “plastics.” Well, UCLA’s class of 2015 may be hearing another word: patents. That’s because the school’s commencement speaker is Nathan Myhrvold, an entrepreneur who’s been called “patent troll public enemy number one.” A patent troll is someone who acquires thousands of tech patents without any desire to invent something new, and then sues other companies for infringement. It’s a practice that is controversial to say the least. We hear about why students are protesting, and career background on Myhrvold.