LOS Angeles, California, USA (Reuters) — DJ and producer Calvin Harris took to Twitter to vent after celebrity publication People magazine published an article saying that his ex-girlfriend Taylor Swift helped in writing Harris’ hit with Rihanna, ‘This Is What You Came For’. At first, Harris took to the social media site praising Swift posting a link to the article saying “And she sings on a little bit too. Amazing lyric writer and she smashed […]