` ` We 're skeptical , '' he says of Iran 's intentions . The statement by Democratic Sen. Tim Johnson of South Dakota left open the possibility of Senate leaders taking up the bill without having it go through the committee . A GOP legislator compares Iranian threats against Israel to Hitler . Legislators question interim resolutions on Iran withdrawal . Some legislators call for new rounds of sanctions to force Iran 's hand .
` ` We 're skeptical , '' he says of Iran 's intentions . A GOP legislator compares Iranian threats against Israel to Hitler . Legislators question interim resolutions on Iran withdrawal . Some legislators call for new rounds of sanctions to force Iran 's hand .