Biden's Low Job Approval Doesn't Mean He's Doomed

Joe Biden's presidential job-approval numbers have been sinking recently, and are now under 40 percent in both the RealClearPolitics and FiveThirtyEight polling averages. This data point is understandably being linked in a lot of commentary to Biden's relatively poor showing of late in general-election polls matching him against Donald Trump and/or a larger field that includes a passel of minor candidates.