They replace the Bush Administration's yet-to-be-deployed bargaining chip with an Obama yet-to-be-developed bargaining chip. The Soviets—and now the Putin regime—are opposed to anti-missile systems because they have been unable to compete in that technological arena. The Russians were also worried about the radar component of the Bush shield because they claimed it could look hundreds of miles into their airspace from Czechoslovakia.
Which bargaining chip would truly be better for Poland and the Czech Republic?