Rep. Ileana Ros-Lehtinen (R-Fla.) on Friday condemned the Palestinian leadership for calling for a "day of rage" in Jerusalem.
President Obama is expected to issue an executive action on immigration after the midterm elections.
The House Democrats urged President Obama to take a clear stance on the issue.
Rep. Kay Granger (R-Texas) said she'd fire a member of her own staff for such a statement.
The treatment can help children with seizure disorders.
McCain, Graham and Rubio say executive action would be "divisive."
"This kind of offensive behavior is no way to treat a friend," GOP Rep. Pete Olson said.
Rep. Mario Diaz-Balart (R-Fla.) says it's "ludicrous" for the U.S. to send a representative.
"The news that your agency released violent criminals onto our streets and into our communities raises serious concerns and questions," said Rep. Diane Black (R-Tenn.).
McCarthy has given National Republican Congressional Committee $4 million in total.