article_snippet: A U.S. court of appeals in .
article_snippet: Washington, D.C. has decided to hear oral arguments on May 4 . in a lawsuit that challenges President Barack Obama's executive actions on immigration.
article_snippet: A lower-court federal judge lawyer, conservative firebrand Larry Klayman, told reporters outside the courtroom after A lower-court federal judge pleaded A lower-court federal judge case that 'His lawyer, conservative firebrand Larry Klayman have serious issues of constitutionality involved.'
article_snippet: Larry Klayman of the conservative nonprofit Freedom Watch represents Arpaio's sheriff's office, and wants an injunction to stop President Barack Obama from granting legal status to millions of illegal immigrants .
article_snippet: his's suit is the first to reach the level of a federal appeals court, the final step before a possible Supreme Court review.
article_snippet: Beryl Howell, the U.S. District Court judge who tossed his legal action late last year, was nominated to the federal bench by President Barack Obama in 2010.
article_snippet: She ruled that the sheriff lacked legal standing to challenge President Barack Obama's immigration program, and it should be tackled in Congress.
highlights_snippet: Court of appeals in Washington, DC will hear the case in May, the last stop on a journey that may end in the Supreme Court .
  
highlights_snippet: Circuit court judge who threw out the lawsuit in December in an Obama appointee .