The National Park Service is allowing an Oct. 8 pro-immigration rally on the national mall, even as it posts pickets and barriers to bar Americans from visiting their open-air memorials. “They’re going to be allowed to go [ahead] because it is a First Amendment activity,” Shannon Maurer, a spokeswoman for the “March for Immigrant Dignity and Respect,” told The Daily Caller. “They allowed us to have it because it is part of the First Amendment of the constitution,” said Susana Flores, a spokeswoman for CASA in Action, which is organizing the rally. ”We’re going to have a stage and microphones,”...