How far are Republicans willing to go?

How far are Republicans willing to go to get elected in November? Isn't this kind of Rhetoric shameful for Americans as a nation? What should people around the world think about U.S. politicians who are willing to do or say anything to make the opponent look unfit?

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Gingrich said on Fox News that President Obama “happens to be a partial, part-time president. He really is a lot like the substitute referees in the sense that he’s not a real president. He doesn’t do anything that presidents do; he doesn’t worry about any of the things the presidents do. He is a false President. He is a guy who doesn’t do a President Job.” 

Top Romney surrogate Sununu, appearing on Fox earlier that night, said Obama is "absolutely lazy and detached from his job." 

Not to mention the doctored pictures on the Republican website.  The might be funny but also shows the Republican hate for President Obama and some racial undertone.  

Shouldn't we (Americans) be more humble? Haven't we looked arrogant for too long. We have to live in this world and not just in the U.S.A. Americans used to be admired and well liked around the world until there was J.W. Bush and Dick  Cheney. And now we hear the same kind of tough rhetoric from Mitt Romney and Paul Ryan again. They want to take us back to the good old days of war and world domination.

Apologizing for the behaviors and mistakes of  J.W. Bush and Dick  Cheney era is a sign of strength not weakness Mr. Mitt Romney!