You have to win first: What Joe Biden's pick of Kamala Harris tells us about Biden
The biggest impact of Joe Biden's choice of California Sen. Kamala Harris as his running mate?
It's likely to be what it tells voters about Biden.
Vice presidential candidates almost never affect the outcome of a presidential campaign one way or another. No running mate since Lyndon Johnson in 1960 is credited with pushing the ticket over the top, and not even controversial running mates like Sarah Palin in 2008 are blamed for costing the ticket a victory.
Harris' groundbreaking qualities may make more of a difference than usual by...