Immigrant rights advocates plan to hold a protest in downtown Phoenix on the day that the U.S. Supreme Court hears arguments over Arizona's 2010 immigration enforcement law.

About 60 Democratic members of Congress have filed a friend-of-the-court brief with the U.S. Supreme Court expressing their opposition to Arizona's 2010 immigration enforcement law.

SACRAMENTO a�� California has asked the U.S. Supreme Court to overturn Arizona's tough immigration law, saying it would drive illegal immigrants into other states. The Arizona law passed two years ago has been largely blocked by court order because of court challenges. Among other things, it makes in a crime to be in the country illegally and to seek work.

Mesa Republican Bob Worsley admitted today that he likely made a mistake when he deleted his written criticisms of the state’s illegal immigration laws shortly after announcing he was running for the state Senate. But far from back-peddling, Worsley, who is running against former senator and immigration hawk Russell Pearce, said he believes the state suffers from immigration fatigue and should redirect its energy toward improving the economy.

Hours after announcing he was running for a legislative seat that pits him against immigration hawk Russell Pearce, a prominent Mesa businessman deleted his comments from a church website that were critical of Arizona’s controversial anti-illegal immigration laws.

Arizona Gov. Jan Brewer is explaining her decision against testifying at a U.S. Senate subcommittee hearing on Arizona's tough immigration law.

The day before the U.S. Supreme Court hears arguments in the landmark case over SB1070, the bill’s author will testify about it in a U.S. Senate subcommittee.

A federal judge blocked police in Arizona from enforcing a section of the state's 2010 immigration enforcement law that prohibited people from blocking traffic when they seek or offer day labor services on streets.

A coalition of opponents of Arizona's 2010 immigration enforcement law have asked a judge to deny Gov. Jan Brewer's request to consolidate two of the three remaining lawsuits seeking to overturn the law.

Despite her willingness to confront the president of the United States on a tarmac in front of the nation, Arizona Governor Jan Brewer doesn’t have it in her to confront Congress on SB1070, the issue that made her a national Republican hero and propelled her to a full term in office.