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LSST-Gaia Connection: Dana Casetti and Dave Monet (@dgmonet) recently reminded me of the importance of the LSST-Gaia interface (astrometry, photometry). We will need the actual Gaia DR2 to better understand this but some planning now might be timely. 
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Commissioning plans. 
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Special Surveys (Milky Way dense regions, LMC/SMC) 
Hey John - Thanks for getting the ball rolling! Can you re-submit these ideas, with one idea per discussion thread and a couple of sentences about what you have in mind for the topic and goals of the sessions? This will make it easier for others to add their thoughts as well.