David Kramer was a former senior State Department official in the Bush administration He also sees the U.S.position moving towards the Russian one.

VOA: standard.2009.07.15

But Biden also had to soothe concerns that scrapping Bush-era plans for a more comprehensive system does not signal a breakdown of Polish-U.S.relations.

VOA: standard.2009.10.21

But most elements of the Obama plan were also part of the Bush approach.

VOA: standard.2009.03.27