The New York Times has a news article about the eminent domain seizures involved in the Keystone XL pipeline, which is something that congressional Republicans, if they were principled about property rights, might want to pay some attention to:
This week, TransCanada, the company proposing the pipeline, began eminent domain proceedings in Nebraska county courts, seeking to gain access to almost 90 properties where the owners have not agreed to terms. Many of those landowners have said they have no intention of allowing construction.