It is hard to say without seeing the entire poll and knowing where the polling was done, who was polled and what the most specifics of the questions were. But some general speculation is possible. A majority of Americans do not believe our President's religion is relevant and far fewer believe the absurd proposition that he is a stealth Muslim. And those demonizing our President don't hide their prejudices either. Netanyahu and his government are also transparent. You can't fool all of the people all of the time.
Greek bank shares plunge for third day, stock market down 1.3 percent (Reuters)
from the article: U.S. support for Israel is decreasing, new poll shows