From NPR News in Washington. I'm Lakshmi Singh.President Obama is putting his ideas for immigration overhaul before the people of Las Vegas, Nevada this hour."I'm here today because the time has come for a commonsense, comprehensive immigration reform.The time is now."Obama's visit comes a day after a bipartisan group of senators unveil their own plan for addressing the deeply divisive issue.Jude Joffe-Block, a member of Station KJZZ,reports the bipartisan plan won applause from immigrant advocates.Advocates have applauded the senators' plan forincluding a pathway to citizenship for immigrants in the country now without papers.At the same time, their voice concerns that such a path would be contingent on additional border security measures.Patrick Coyne with the Grass Root Group promised that originally reform to oppose Arizona's immigration enforcement law."We don't need more money being spent on border security.We've got enough out there.We don't need all of these technology to hunt down people like animals."Coyne says policies that promote family unity should be the focus of a final immigration billand her group will continue to advocate for that.For NPR News, I'm Jude Joffe-Block in Phoenix.But there is still a fair amount of skepticism surrounding the bipartisan proposal.Jessica Zuckerman with the Heritage Foundation says in principle all seems well."I don't know if that forge to be the same type of bill that we've seen before,a large comprehensive legislation that tries to address everything at once