Appearing on ABC News' This Week on Sunday (August 11), tycoon Donald Trump had this exchange with interviewer Jonathan Karl: Karl: But you don't still question he [Obama] was born in the United States, do you? Trump: I have no idea. Karl: But even at this point? Trump: Well, I don't know. Was there a birth certificate? You tell me. You know, some people say that was not his birth certificate. I'm saying I don't know. Nobody knows. And you don't know, either, Jonathan. You're a smart guy, you don't know, either. Karl: I'm pretty convinced he was born in the United States. [vigorous exchange where Trump rolls over Karl's effort to correct himself and say he's totally, without question convinced.] Trump: Jonathan, you said you're pretty convinced! OK, so let's just see what happens over time... [more vigorous exchange] ...well, you just said you're pretty sure, and if you're pretty sure that's not acceptable, because, you know, you can't be pretty sure, you have to be 100%...(Read Full Post)