Former House Speaker Newt Gingrich blasted President Barack Obama in a press release Monday for allowing the Department of Justice to bring a lawsuit against South Carolina over a new law that allows local authorities to crack down on undocumented immigrants.The move is meant to bolster Gingrich's credentials on immigration and reassure the conservative base of the Republican party, after he adopted a more moderate tone toward some undocumented immigrants during a debate last week.One line in the release that is sure to catch the notice of Tea Party-type voters and activists is Gingrich's complaint that 16 foreign nations have joined the DOJ lawsuit against South Carolina.