The Justice Department will soon file a brief with the Supreme Court, Holder said.
“Any time the president leaves the White House complex, there are risks,” a spokesman said.
The Democrat said some of Obama's harshest critics voted for law blamed for border crisis.
Paul "talks about basically, what I consider to be, isolationist policies,” Perry said.
Obama has not committed “the type of criminal acts” that warrant proceedings, Goodlatte said.
“I think the name ought to be changed,” Holder said.
"There's a certain level of vehemence" from administration critics, he said.
The attorney general also criticized Boehner's lawsuit against President Obama.
A visit to border "would have sent an important message," Rep. Beto O'Rourke said.
“There has to be a halt to this,” McCain said.