Separately, groups like Numbers USA, which calls for lower levels of immigration, are preparing to step up their campaign urging lawmakers to vote against reform....

Meanwhile, Numbers USA plans to start a new radio campaign as soon as the debate over control has been concluded. This would increase the pressure it is already applying to lawmakers, having sent 2m faxes objecting to legalisation, said Roy Beck, chief executive.

“The difference between now and 2007 is that there weren’t 20m Americans looking for jobs who couldn’t find work then,” Mr Beck said.

By Anna Fifield in the Financial Times

Illegal Immigration

Updated: Thu, Apr 11th 2013 @ 3:27pm EDT