WATCH: Scarborough Stumbles Defending Past Praise of Biden's Mental Acuity

<![CDATA[Joe Scarborough is now trying to explain away his past over-the-top praise of Joe Biden’s mental acuity, and let’s just say it’s not going well. In a revealing appearance on “Next Up with Mark Halperin,” Scarborough tried — and failed — to justify why he repeatedly described Biden as being at his “best” despite the president’s well-documented cognitive stumbles.]]>