SQL - Ugly combination of GROUP BY and COALESCE

Question

I have a table with data similar to the following:

[ID], [State], [foo], [DateCreated], [DateUpdated]

The longer I work on this, the uglier my SQL is getti

Answer 1

Another one:

http://sqlfiddle.com/#!6/fd219/1

SELECT
  t.State,
  MAX(t.foo),
  MAX( COALESCE( t.DateUpdated, t.DateCreated ))
FROM t
GROUP BY t.State
HAVING COUNT(DISTINCT t.foo) = 1;