Doris Meissner is a senior fellow and director at the Migration Policy Institute.
Later today, hundreds of immigration activists and undocumented families will protest outside the White House. They want President Obama to extend deportation protection and work permits to millions of undocumented immigrants, and the President has promised to take some executive action on immigration reform soon.
Doris Meissner headed the U.S. Immigration and Naturalization Service under President Clinton, and is currently a fellow at the Migration Policy Institute. She spoke with Senior Reporter Armando Trull about the legal and political constraints the White House faces.