These are not specific to Mecklenburg County but could prove useful in your genealogy research.
Webinars
http://www.legacyfamilytree.com/Webinars.asp
http://www.scgsgenealogy.com/JamboreeExtensionSeries2012.htm
http://blog.geneawebinars.com/
http://www.geneabloggers.com/calendar/
Genealogy Blogs
http://www.geneabloggers.com/genealogy-blogs/
Geneabloggers Radio
http://www.blogtalkradio.com/geneabloggers
Don’t forget to sign into blogtalkradio so you can participate in the chat room during the show.