Is Herd Immunity a Potential Solution to the COVID-19 Pandemic?

Although the number of cases of COVID-19 continue to rise in the United States, restaurants and schools are beginning to open, and many people are acting as if the pandemic is over. Supporters of opening businesses and schools state that we cannot continue isolating ourselves, and that we need to build up our immunity. So, can herd immunity really be achieved in this pandemic? Can it be the solution we have been waiting for?