President Joe Biden.Saul Loeb via AFP/Getty ImagesJoe Biden's administration is going after big corporations with antitrust lawsuits.It's an aggressive approach that makes Biden stand out compared to his predecessors.High-profile cases include Live Nation, Google, Apple, Amazon, Meta, as well as non-tech companies.President Joe Biden is really leaning into his pro-labor image.The Biden administration has launched investigations and antitrust lawsuits against several mega corporations, many in the tech sector, that it accuses of behaving like monopolies — and it's setting him apart from his predecessors."This is definitely a different agenda than previous presidents," Rebecca Allensworth, an antitrust expert at Vanderbilt University, told Business Insider.