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WASHINGTON — Days after House Republicans unveiled a roadmap for an overhaul of the nation’s broken immigration system, one of its backers said legislation is unlikely to pass during this election year.
Representative Paul Ryan, Republican of Wisconsin, said distrust of President Obama runs so deep in the Republican caucus that he’s skeptical the GOP-led House would pass any immigration measure.
He said a plan that puts security first could only pass if lawmakers believe the administration would enforce it — an unlikely prospect given Republicans’ deep opposition to Obama.
‘‘This isn’t a trust-but-verify, this is a verify-then-trust approach,’’ Ryan said.