Thu, 02/09/2023 - 16:17 Tech Insider Politics President Joe Biden speaks about his administration's plans to protect Social Security and Medicare and lower healthcare costs, Thursday, February 9, 2023, at the University of Tampa in Tampa, Florida.Patrick Semansky/AP Photo Tags politics, News, Joe Biden, Rick Scott, Medicare, Social Security, State Of The Union, Florida, Ron DeSantis, Marco Rubio, Ron Johnson Source Biden doubles down on needling Republicans over proposed Social Security and Me…