(CNN)President Joe Biden's approval rating is at its lowest point since he took office. His approval rating has slid into the low 40s this month. And while the President has plenty of time to recover before his potential reelection in 2024, history suggests that his chances of becoming popular and Democrats gaining ground by the midterms in 2022 are small. Take a look at every president's net approval rating (approval - disapproval) since the end of World War II. Biden's at about -9 points net approval rating right now. Specifically, we'll examine all elected presidents at this point into their...