telling the jury and instructing them that they can only use her testimony to impeach george anthony s credibility and that s it. nothing of trying to support oh, you know, he told her that it was an accident, then we might believe her and that might generate a doubt in the minds of the jury. part of this is that krystal testified about her relationship with george, that it was intimate. speaking to the point that you just brought up. can you dig into that for us? reporter: she said she had an intimate relationship and the problem is that george, i think the problem for george anthony right now in terms of his credibility and all of the statements he s made since this trial started is that two days ago, he denied having an affair. he also denied making these statements and telling her that he thought or he believed that this was an accident. so her testimony serves only to discredit what he said in the past. but the theory about the accident cannot be used to determine ca
i m alex witt. welcome to msnbc saturday. developing right now, president obama s expected to depart poland and head back to washington after his six-day trip to europe. departure will come this hour. at a press conference with the prime minister the president said america is looking for poland s help for promoting democracy in the arab world. the more we have strong leaders like poland working alongside us, the more successful we can be in dealing with north africa and middle east and encouraging best impulses in that region. and that s going to be good for all of our security. kristin joins me now live from warsaw before heading back to the states. good morning to you. what s the latest from there? reporter: good morning, alex. we are hearing that president obama is just leaving. just departed as we speak. you mentioned this discussion about the arab spring. the reason why president obama seized poland as such an important example is because this country s recently