U.S. President Obama makes a statement about an agreement reached with Iran on its nuclear program at the White House in WashingtonThrough Patricia Zengerle and Caren Bohan WASHINGTON (Reuters) – Republican and Democratic U.S. senators on Sunday voiced skepticism about a nuclear deal reached with Iran however Congress regarded probably to present President Barack Obama room to see if the agreement works. The deal does not need to be ratified by using Congress and Obama is the usage of his govt energy to quickly droop some present U.S. sanctions on Iran. On Sunday, influential Democrats – who regulate the Senate – made clear that any new sanctions against Iran would come with a six-month window before they took impact. That would enable time to look if Iran is sticking by using the %, worked out between Tehran, the United States and different world powers.