According to the findings of a Penn Wharton Budget Model (PWBM) analysis, the cost of the largest deportation operation in American history could easily exceed $1 trillion over 10 years.

This year, the Republican party appears committed to a plan for the mass deportation of undocumented immigrants, having secured the endorsement of a well-known Republican U.S. senator who had previously criticized Donald Trump for his tough immigration policies. The GOP not only supports the harsh poli...