President Obama travelled to Dalas to attend a couple of fundraisers for democratic senators today before    that some of the volunteers will help sign people up for health insurance.In the city with more than one million people who lack health benefits,the president says ti's important coverage be made avilable to those individuals.

The task is a specially challenging here in the great lons dasting,but I think that all of you understand that no state actually needs this more than Texas.

Sealers will clear from the signs along the roads the president's motor ca past not everyone was in agreement Obama past signs saying lier and no Obama care.

Health and human service secretary Kethrin had another rough day on Capitol Hill today,she testified before the senate finance committee about the rold out of healthcare.com.NPR's Bok reports law makers admanning she will be held accountable.

Secretary Serbilis again vowed that the steps had been taken to fix the government's healcare website.But when asked how many iterms need fixing,she couldn't quite put a figure on it.

I would say there are acouple hundred functional fixes that have been identified

Republican senator Pat Robers of Cansas wasn't satisfied and said Serbilis's main goal shouldn have been the security of American's signning up for health care.

You said America should hold you for accountable which is why today madam secretary I repeat my request for you to resign.The first roman figures for these changes will do next week.Serbilis says she expects those numbers to be quite low.Briten Boker,NPR News,Washington.

Palestanian officials are not yet commenting on new test result showing former Palestanian leader Alrafat may have been poisoned before he died in 2004. Alfat's widow says the evidence makes clearly was deliberately killed,NPR's Amely has more.

The Palestanian committee investigating Alrafat's death has copies of swiss in Russian lad test done on Alrafat's remains.But the committee head says Palestanian officials will draw no conclusions until they examine all the evidence.Alrafat's boday was exzonmed last year after tests of some personal iterms found traces of the deadly radio active subsestence ponium 2-10.Now newest test found high levels of poison in    his bones and other tissue.The lab said the result morderly support the poison feary.Many Palestnians have long believed that Israeil agency killed Alrafat.Israeil has long denied the accusion,officials has now repeated denials.Amely,NPR News,Juesalum.

On Wall Street,back in record territory least for blow chipd today,the Don was up 128 points to close at 15,746,s&p 500 rose 7 points.This is NPR.

The senate signed off on a republican back change bill that would allow disagrenation against gays in the work place by voice vote.The senate proving the manmate that would provent federal sta in local governments from attalying against religious groups are examined under the law.  expectd to set the stage for passage of the bill the measure best discremination the work place against gays by sexual trends gender Amercans.

A senior Obama administration official says nuclear negotiators expect first step from Iran that hauls its nuclear program about a comprehensive agreement negotiated.NPR's Piter reprots from Geniva the 2 days of talks get under way thirday.

Not long after Iranian foreign minister Muhamud told a French channel that a nuclear agreement could be struck this week.Negotiators prepared to put that search into the test.The senior American official tells reporters in Genivca that the first step must address Iran's compassity to rerich urnim and the size of its existing stock pile and hww any susbenchi would be mornitored and verified,then there would be confidence that the 2 sides have time to negotiate a final agreement.The official also says while international sanctions were key to bring Iran to the table,new sanctions now would be harmful and could undermine the talks at crucial time.Peter,NPR News,Geniva.

  the media explosion over a Russian city last year scientists now say the threat of space rock mashing to earth may be greater than initially believed. Scientists say the medium over the city of Chilibonks was about 60 feets across and explosed with the power of 40 ton of bombs,   way from the blast broke windows injuried more than 1600 people.Scientist said such closing   medium only likely once in every 150 years nut it up that to once every 30 years.