What really happened to polish president at Smolensk Russia?

What really happened to polish pres Smolensk Russia?
Smolensk was a staged event. Facts
Polish Elite Didn't Die in Smolensk Crash - Short_story_about_some_accident Related http://zezorro.blogspot.com/search/label/Katyń http://zezorro.wordpress.com/category/polityka/miedzynarodowa/katyn/