Homeland Security Secretary Janet Napolitano has announced only one formal change from Bush administration policy: limiting controversial raids at workplaces. Under the new policy, U.S. Immigration and Customs Enforcement (ICE) investigators must give priority to prosecuting employers and can arrest workers only when officials have secured indictments, warrants or a commitment by prosecutors to target managers first…

Obama advisers say more changes are coming to Bush’s immigration policies, which they argue were ineffective because they were heavy-handed and lacking nuance. Still, Obama’s effort to chart a course through the political minefield of immigration — as Americans are losing hundreds of thousands of jobs a month — risks offending both sides, angering immigrant advocates who expected more tangible changes while failing to satisfy those who want tighter immigration controls.