ridiculous statement, but newt gingrich his stock and trade over the years has been really incendiary rhetoric. it has the effect of firing up the republican base, a lot of which is quite hostile to president obama, but it has some backlash potential among independent voters. this is one of the reasons why newt gingrich has struggled as a candidate when there's so much focus on the things you're saying it becomes a reflection of you. he's having a hard time getting his campaign back on track. he'll try to use that rhetoric to help him. not sure how effective that's going to be. >> thank you. . the defense in the casey anthony murder trial is preparing for day three in calling witnesses. the 25-year-old is accused of killing her 2-year-old daughter caylee in 2008. on friday, the defense called just one witness. a bug expert that you see here. he testified that a stain on the carpet of anthony's car trunk did not resemble human decomposition stains that he's