You have proof of that? If so would you share it please?
Even coulter has said Mccain was picked by soros
http://www.youtube.com/watch?v=P8PS6574R0E
http://www.wnd.com/index.php?fa=PAGE.view&pageId=56177
http://michellemalkin.com/2008/01/25/meet-the-open-borders-family-mccain-hernandez-soros-and-the-reform-institute/
Sen. John McCain founded a think tank, The Reform Institute, which has taken donations from many organizations. Most of them are liberal, George Soros in particular.
See the following:
http://www.sourcewatch.org/index.php?title=The_Reform_Institute