Bush's comments about appeasement reverberated across the U.S. campaign trail, offering a new platform for Sen. Barack Obama (D-Ill.) and Sen. John McCain (R-Ariz.) to sharpen their lines of attack. In the speech, Bush warned that the United States must not negotiate with Iran or radical groups such as Hamas. "Some seem to believe we should negotiate with the terrorists and radicals, as if some ingenious argument will persuade them they have been wrong all along," Bush told the Israeli lawmakers. "We have heard this foolish delusion before. As Nazi tanks crossed into Poland in 1939, an American senator declared:...