Sen. Rand Paul seeks delay in immigration bill 's consideration until more known about Boston bombings . GOP Sen. Chuck Grassley gets angry during remarks by Democratic Sen. Chuck Schumer . Democratic Sen. Pat Leahy says immigration reform opponents supported the Boston bombings . `` Why did the current system allow two individuals to immigrate to the United States from ... an area known as a hotbed of Islamic extremism , who then committed acts of terrorism ? '' Grassley : Gun control advocates use mass media to push for restrictions .
Sen. Rand Paul seeks delay in immigration bill 's consideration until more known about Boston bombings . GOP Sen. Chuck Grassley gets angry during remarks by Democratic Sen. Chuck Schumer . Democratic Sen. Pat Leahy says immigration reform opponents supported the Boston bombings . Grassley : Gun control advocates use mass media to push for restrictions .