we will have more on the case sister helen prejean. meanwhile, a u.s. district court in virginia will hold a last-minute hearing this afternoon to decide whether to temporarily halt the execution of alfredo prieto over concerns about the drug virginia plans to use to execute him. the hearing is a response to an emergency motion filed by his lawyers after they learned virginia obtained the drug pentobarbital for the execution not from a pharmacy but from the texas prison system. prieto, a salvadoran national, has been convicted of multiple counts of murder. he is scheduled to be executed tonight. palestinian president mahmoud abbas announced wednesday that the palestinian authority was no longer bound by peace agreements with israel that were "continually violated." this came the same day the palestinian flag was raised in front of the united nations for the first time. abbas make the speech to the u.n. general assembly. >> here we declare that as long as israel refuses to commit to the agreement and sign with us, which renders us an authority without re