Because this is a sticky thread, many people may continue to read it over time.

Here is an update -

As of 2018, the 2e newsletter has split and become two different resources, as described at this link:
1- The 2e Resource - https://2eresource.com/
2- 2e News - https://www.2enews.com/

Other resources which may be of interest to families with twice-exceptional members:
1- wrightslaw - https://www.wrightslaw.com/
2- understood - https://www.understood.org/