Probably not until all (or most) of us can simply accept everyone else for what they are. Which, human nature being what it is, will probably be a while, alas.
On the bright side, there are people who get it. If you haven't seen it already, have a look a Dan Savage's 'It Gets Better' project at http://www.youtube.com/itgetsbetterproject.
And on the subject of suicide generally, an ad from a Serbian group that also gets it: http://adweek.blogs.com/adfreak/2010/09/suicide-ads-projected-under-bridge-jumpers.html