Rosenstein has become a frequent punching bag for Trump supporters for appointing Mueller to take over the Russia investigation from the FBI. The president has denied collusion with Moscow and characterizes the probe as a "witch hunt."
Hundreds of thousands of Dreamers, most of them Hispanic, are now protected from deportation because they enrolled in the Obama-era Deferred Action for Childhood Arrivals (DACA) program, which President Donald Trump wants to end.
Republicans are under increasing pressure to respond to the humanitarian crisis at the border. News stories have highlighted that families are being separated as they enter the country illegally from Mexico.