Biden was able to show the depth of his foreign policy knowledge and to demonstrate his command of national security issues. But those aren’t usually the issues that move voters. A lot of Democrats are just ready to move on — and exhausted by the strain of not knowing how this drama is going to play out. With Biden’s “Vice President Trump” mistake in the first few minutes, many may have the ammunition they need to make the break with Biden. They aren’t looking for the elder statesman anymore — they want someone who can invigorate and excite their party.

(WaPo)