So far, she's hewed so close to the Obama party line that she sounds like a clone of the president.
Two recent polls show that Arab nations have not embraced the president the way other areas of the world have.
Region sees it as a bulwark against Iran; US sees it as key to any peace deal.
At the White House meeting Monday, the Israeli leader emphasized the threat from Iran.
A $13 billion proposal could lay high-speed tracks in the midwest, California, and Florida.
When the leaders meet Monday, the US will push for progress toward a Palestinian state, while Israel will ask for a harder line on Iran.
Governor Jon Huntsman of Utah is a Republican moderate and China expert seen as a possible presidential candidate.