The details: The breakdown appears to center on Democratic demands for a limit on the number of unauthorized immigrants already in the U.S. who could be detained by Immigration and Customs Enforcement officers. That could force the Trump administration to focus on immigrants with criminal records, rather than on broader sweeps.

Looking ahead: President Trump is scheduled to hold a rally tonight in El Paso to build support for his proposed border wall. Officials in the West Texas city dispute the president’s assertion that border fencing has reduced violent crime there.

Related: Gov. Gavin Newsom of California is expected to withdraw nearly 400 of his state’s National Guard troops from the border with Mexico today.

A clue about the special counsel’s investigation

One of Robert Mueller’s prosecutors suggested last week that the special counsel investigation was focusing on Trump campaign officials’ response to Russia’s invasion of Ukraine in 2014 and to American sanctions on Moscow.