Groups that want to stem the flow of illegal immigration say a bill Rubio has crafted could become a vehicle for other proposals, such as legislation requiring employers to verify the immigration status of workers and revoking birthright citizenship.

Votes on these controversial proposals could hurt Republicans with Hispanic voters but may also rally the GOP base, which wants the federal government to do more to combat illegal immigration…

“I suspect it will become a vehicle for all sorts of amendments,” said Ira Mehlman, spokesman for the Federation for American Immigration Reform, in reference to Rubio’s bill…

Sen. David Vitter (R-La.) has sponsored the Birthright Citizenship Act, which would amend the Immigration and Nationality Act to consider a person born in the U.S. a citizen only if his or her parent is a U.S. citizen, a lawful permanent resident or an alien serving in the U.S. Armed Forces.