President Joe Biden says the new Omicron coronavirus variant is “a cause for concern, not a cause for panic,” as the US braces for cases. CNN Political Director David Chalian explains the political reality Biden is facing brought about by the potential threat of Omicron. Will the way Biden handles it be a factor in upcoming elections... or are Americans too Covid-fatigued to care?To learn more about how CNN protects listener privacy, visit cnn.com/privacy