There are two types of nationalzation socialist use, the one you mention is the communist model.
from: http://www.merriam-webster.com/dictionary/socialism
1: any of various economic and political theories advocating collective or governmental ownership and administration of the means of production and distribution of goods
2 a: a system of society or group living in which there is no private property
b: a system or condition of society in which the means of production are owned and controlled by the state
3: a stage of society in Marxist theory transitional between capitalism and communism and distinguished by unequal distribution of goods and pay according to work done
Please. Which one of these defines President Bush?