Cryptic crossword clue
Rabble-rousing leader gets to the base of the issues 8

The most common and most likely answer to this crossword clue is the 8 letter word EDITIONS

I've seen this crossword clue in Financial Times
E
D
I
T
I
O
N
S


Buddy explains!

The straight part
We know that "the issues" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case the issues = editions.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does EDITIONS mean?

EDITIONS noun
  1. A written work edited and published, as by a certain editor or in a certain manner.
  2. The whole number of copies of a work printed and published at one time.
  3. A particular instance of an event.

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