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That job. this particular rock, jenna, was chosen for the drilling experiment because scientists say it shows signs of having been exposed to liquid water at some point long ago. of let's hope the drill bit doesn't snap off. we'll keep you posted on what nasa comes up with. jenna: fingers crossed. jon: i think nasa buys more expensive bits than rick does. jenna: is it the price that effects that, jon? i don't know. jon: we'll see. hey, here's a story about how it pays to be nice to the judge. >> are you serious? >> i am serious. adios. [laughter] jon: what that young woman did in court has her...

Pragmatic, useful, helpful agenda that makes your life work better. >> reporter: stoddard says cantor is one of the younger gop lawmakers trying to put forward a modern image of the party while still adhering to conservative principles. jenna? jenna: molly henneberg live in d.c., thank you. jon: right now, gripping testimony in a sensational murder trial. jodi arias about to take the stand for a second day in her own defense. she's charged with murdering her boyfriend by shooting him in the face, slitting his throat and stabbing him 27 times. yesterday arias told the jury about an abusive chil...

Jon: lis wiehl, doug burns, we'll keep an eye on this case. jenna: no one lies to jon, doug, just so you know. [laughter] well, a big day in space as nasa's curiosity rover prepares to fulfill its mission. it has a little something to do, this goal, with a drill and a rock. rick, you want to explain? >> reporter: good set-up, jenna. anybody who tinkers in his garage will tell you a little drill work is not a big deal, but it becomes one when the work is being done on mars. curiosity landed on the red planet last summer, and nasa has been slowly gearing up for this big drilling attempt. it's th...

Well, this is your chance. report, edit, shoot and launch a quality package. a trip to our nyc headquarters -- >> and a chance to interview for a job or internship -- >> with the very best in the business. >> go to foxnews.com/college challenge. >> and somewhere now. jon: that is right, aspiring journalists, you have three more days to sign up for the fox news college challenge. juniors and seniors majoring in journalism or communications can win a $10,000 scholarship along with other amazing prizes. after you've entered, you'll have to submit your best fair and balanced news video package alo...

Sleeping, so i didn't give him a satisfactory answer, so he hit me across the face, and i fell back down. then he sat me back up and asked me again, and i didn't give him a satisfactory answer, so he hit me across the face again, and i fell down. >> when you say he hit you across the face. did he punch you? >> no. it was an open-handed, hard slap. >> do you recall, did you bleed? >> no, i didn't, not that i recall. >> did you>> not that i recall. >> did it hurt? >> yes. jon: her mother sitting there in the front row as she made that testimony. let's talk about it once again with our legal pane...