By Kenny Ma and Aubrey Spowart, UC Berkeley Letters & ScienceReviewed by Irfan Ahmad.Image: Gaspar Uhas - UnsplashFor years, social media companies have faced pressure from users and government watchdogs to stop misinformation from distorting elections, deepening political divisions and undermining Americans’ trust in institutions.But what if dramatically reducing people’s exposure to unreliable sources that frequently spread misinformation does…