"What do they call me, a lurker?" said Romney.
The senator spoke to reporters after his trip to the Middle East with Senator Chris Murphy as members of the Senate Foreign Affairs Committee.
Shtayyeh’s remarks came during a meeting in Ramallah with the two US senators.
Netanyahu, well attuned to the importance of US legislators, generally meets all senators, congressmen and governors who visit Israel.
In subdued US presidential debate, Obama, Romney clash over taxes, healthcare and the role of government.