Major General Nichols of the Texas National Guard held a press briefing on Tuesday hoping to clarify the role of the Guard and raising the hope that many of the troops would volunteer for the duty:
The New York Times raised the issue of arrest power:
and "Government Executive" explored the options of action on the border:
Meanwhile President Obama is also considering deploying the National Guard at the border:
In Washington, DC, the Wilson Center's Latin American Program is doing a series of reports and panels on the issue of migrants from Central America. This included a panel with the foreign ministers from El Salvador, Guatemala and Honduras discussing issues of violence, transnational criminal organizations, and what can be done to deal with the underlying factors that are driving migrants to the U.S. [panel starts at 10 minute point]
The Immigration Policy Center has set up a resource page: