When GWB wanted to end the stem cell research:

[i]In a cynical attempt to focus the public’s attention away from the estimated 100 million, mostly adult Americans suffering from diseases like Parkinson’s and Alzheimer’s who might have benefited from the research, the president’s political operatives filled the room with a dozen or so “snowflake” children who were born from frozen embryos reclaimed from fertility clinics.

The craven use of these children as political props became acutely ironic when Bush said of them, “These boys and girls are not spare parts.”[/I]