From NPR News in Washington, I am Jack Speer.President Obama is urging congress to hold off on new sanctions against Iranwhile international negotiators meet in Geneva.NPR's Ari Shapiro reportsbipartisan group of senators met in the White House today to discuss the nuclear talks.President Obama spoke for two hours with key members of both partiesafter the meeting Republicans expressed concerns that US is giving up too much leverages in these negotiations.President Obama told the Wall Street Journal congress should give these talks a chance."We were able to get Iran to seriously come to the tableand look at how are they going to give assurances to the international committeesthat they are, in fact, not pursuing a nuclear weapons program."The president emphasized that the US is not considering dismantling sanctionsjust putting it on hold for a bit.That way, he says, the sanctions can ramp back up if Iran proves not to be serious about putting it at end of the deal.Ari Shapiro, NPR News, the White House.George Zimmerman was in court today, facing Domestic violence charges.NPR's Greg Allen reportsZimmerman's appearance comes just four months after he was acquitted with criminal charges in the shooting death of unarmed teen Trayvon Martin.It was yearly reminiscence of George Zimmerman's earlier arrangement on murder and manslaughter chargers.Council with jury found him not guilty in July.Zimmerman was arrested Monday after his girlfriend called police,saying he pointed a shotgun at her and forced her out of her home.Now sprouting a full beard and in grey prison jumpsuit, he was back in the courtroom in Seminole countywhere Judge George Schott read the charges.