NEW : Bush : Russia ca n't veto Georgia 's , Ukraine 's inclusion in NATO 's MAP program . European countries share doubts that system is designed to deter Iran , North Korea . Ukrainian President Viktor Yushchenko said his country should be able to start the NATO membership process . Comment: Analyst says both issues threaten to destabilize NATO .
NEW : Bush : Russia ca n't veto Georgia 's , Ukraine 's inclusion in NATO 's MAP program . European countries share doubts that system is designed to deter Iran , North Korea . Comment: Analyst says both issues threaten to destabilize NATO .