According to the NRA website, there will be live-streaming of NRA 2013 Annual Meeting which is taking place this weekend in Houston, Texas.
On Friday, May 3rd from 1:00 p.m. to 4:00 p.m. (CT) the NRA-ILA Forum featuring speakers such as Sarah Palin, Ted Cruz, Bobby Jindal and Rick Perry will be live-streamed at NRA.Org & NRANews.com. You can find the complete streaming schedule here in the site's left-hand column.