20 down
Youngster
supporting
viewpoint
is
distraught
(5,2)
Youngster supporting viewpoint is distraught (5,2)
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The definition is at the end of the clue.
How the clue works
The definition is is distraught, as in getting terribly upset about something. You've got TAKE meaning "viewpoint," then SON ("youngster") tagged on behind it ("supporting" in a down clue means coming underneath), and the whole thing gives you your answer.