On the latest edition of PBS’s weekly political journalist roundtable Washington Week with The Atlantic, guest host Laura Barron-Lopez (a familiar face here at NewsBusters) set the tone right from the show’s introduction, of desperate Republicans hurling unsubstantiated accusations against the wall.Her journalist guests also claimed “no evidence,” despite the actual mounting evidence of Joe Biden’s knowledge of, and possible involvement in, his son Hunter’s influence-peddling during the senior Biden’s two terms as vice president.Heidi Przybyla of Politico piled on.Barron-Lopez summed up the case for the defense (i.e. the Democrats).The panel discussed the memo the White House sent out — and which the supposedly fearless and objective news media dutifully signed on to.Later Barron-Lopez made an offensive comparison. Republicans targeting McCarthy’s speakership weren’t just far-right, they’re terrorists too!This falsely premised assault on congress …