citizenship

The subject of tax inversion, in which American firms avail of lower tax rates in foreign countries by merging companies in those countries, has become very topical in the last couple weeks thanks to a decision by Abbvie, a drug company, to merger with Shire, an Ireland-based firm and move its headquarters overseas. One of at least 47 tax inversions in the last decade, the Abbvie-Shire deal is the largest such action yet, worth $54 billion. Perhaps unsurprisingly, President Obama and Democrats in Congress have become apoplectic with rage at the audacity of a business making a prudent decision to escape bloodsucking taxes.

The Democrats have gotten the great Republican hope, Marco Rubio, to sign on  to a measure that accomplishes nearly all of their goals on immigration: “The pre-bill marketing campaign —…