May 11, 2011 12:55PM 

# Wednesday Links 

By Cato Editors 

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- On immigration, the president offers mostly [nice words](http://www.cnn.com/2011/OPINION/05/10/griswold.obama.immigration/index.html), not much else.
- The debate about the [debt ceiling ](http://www.nationalreview.com/articles/266865/debt-ceiling-myths-michael-tanner)is important—take the time to get it right.
- When it comes to defense appropriations, it is worth keeping in mind that restraining ambition is the first step in sensibly [trimming](http://www.nytimes.com/roomfordebate/2011/05/08/how-to-cut-the-military/how-spending-more-makes-us-less-secure) military spending.
- There is no empirical evidence that national standards improve educational outcomes.
- The tax code is not an appropriate tool for social engineering, despite bipartisan attempts to use it for that purpose.

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