Are we going to talk about Tara Reade?

Despite an obstacle-strewn ascension similar to a “Game of Thrones” episode, former Vice President Joe Biden managed to slay every metaphorical dragon he faced in becoming the presumptive Democratic nominee for president, from old policy specters to campaign trail gaffes to a primary opponent who was stubborn to concede.

But there are more gauntlets to run. Biden wants to defeat President Trump by drawing strong contrasts on competence and character.

Before that fight, though, Biden will have to contend with another pressing matter that has been bubbling up for months....