Yeah, the stutter & ahem, 'gaffes' plagued him his whole plagiarizing life.
What Happened in the 1988 Campaign
• The Kinnock Speech: Biden used lines from a speech by Neil Kinnock about being the first person in their family in generations to go to university, matching the phrasing and concepts without crediting him during a televised debate and campaign events.
• Additional Revelations: Following the Kinnock discovery, scrutiny revealed that Biden had used uncredited passages from speeches by Robert F. Kennedy and Hubert Humphrey.