( CNN ) -- Former vice presidential candidate Sarah Palin joined the national battle over Arizona 's controversial new immigration law Saturday , appearing with Gov . Jan Brewer in Phoenix to denounce the Obama administration 's criticism of the law . `` It 's time for Americans across this great country to stand up and say 'We 're all Arizonans now and , in clear unity , we say Mr. President , do your job , secure our border , ' '' Palin said , standing beside Brewer at a Saturday afternoon press conference . Brewer used the event to announce her first appointment to the state 's new Joint Border Security Advisory Committee and the launch of a Website to combat what she said was a national misinformation campaign about the state 's new law . Palin and Brewer , both Republicans , decried plans by opponents of the new law to boycott the state in protest . Passed in April , the law requires immigrants in Arizona to carry their registration documents at all times and allows police to question individuals ' immigration status in the process of enforcing any other law or ordinance . Critics say it will lead to racial profiling , while supporters deny that and say it is needed to crack down on increasing crime involving illegal immigrants . President Obama has criticized the Arizona law , saying that in dealing with the immigration issue , `` the answer is n't to undermine fundamental principles that define us as a nation . '' `` You can imagine if you are an Hispanic American in Arizona , your great grandparents may have been there before Arizona was even a state , but now suddenly if you do n't have your papers , and you took your kid out to get ice cream , you 're gon na be harassed , '' Obama said , referring to the statute at a April rally in Iowa . `` That 's something that could potentially happen , '' he said . `` That 's not the right way to go . '' Brewer signed a package of changes to the law shortly after it passed that she said addressed concerns about profiling , though critics said the changes made little difference . Palin joined Brewer on Saturday in denying the statute would lead to racial profiling . `` I think for most American people the reaction to that would be , 'Why are n't ( police ) already doing that ? ' '' the former Alaska governor said . `` And while Mexico 's president has begun to crack down on the violent drug cartels and corruption in his own country , '' she continued , `` It 's time for the United States government to enforce the rule of law as well . '' Brewer also took jabs at Obama and the federal government . `` Our border is being erased and our president apparently considers it a wonderful opportunity to divide people along racial lines for his personal political convenience , '' she said .
Sarah Palin joined Arizona Gov . Jan Brewer to defend new immigration law . Brewer unveiled new Website to educate the public about law . Critics say new law will lead to racial profiling , while supporters support immigration .