Chuck Grassley

Companies selling a product play down its vulnerability and emphasize its robustness. But only after technology leaves the dock is it really tested. For human operators in control of a supposedly infallible system, complacency and overconfidence can take over, and caution may be thrown to the wind.

I think what's going to hurt the Republicans enormously is the extremist position of Mitt Romney on the immigration issue and states like New Mexico, states like Colorado, Nevada, Arizona - and I think it's going to be the margin of victory for President Obama, a very narrow victory.