Preemptive federal legislation may discourage states and local governments from using their eminent domain powers to seize mortgages, but it will not bar them from exercising such statutory rights, according to legal experts. Rep. John Campbell, R-CA, last week introduced the Defending American Taxpayers from Abusive Government Takings Act, which would prevent Fannie Mae, Freddie Mac, the FHA and the Department of Veterans Affairs from originating, insuring or guaranteeing mortgages from jurisdictions that have seized mortgage assets through eminent domain within the last 10 years. The proposed ban on FHA financing would...