Answer: apparently not, because of methodological bias in most of the studies. The few studies not biased don't show the supposed beneficial J-curve of modest alcohol consumption.
Popular summary:
http://www.eurekalert.org/pub_releases/2016-03/joso-imd031616.php
The full article:
http://dx.doi.org/10.15288/jsad.2016.77.185
Is wine, red or otherwise, an exception? The study above does not address that question, but the odds against a wine benefit seem longer than they were before.
-Richard Schulman