> The attempted assassination of Donald Trump may have put a stop, at least publicly, to the flood of Democratic politicians demanding Joe Biden step aside as their presidential candidate, but that doesn't mean that Biden has shored up support for his flailing campaign on the left. According to the New York Times, a group of House Democrats are pushing for changes to convention rules that would allow for a fresh start when the DNC meets in Chicago next month, while pundits and talking heads continue to promote a change to the ticket. > Arizona Republic columnist Greg Moore, for instance, thinks he's found the perfect guy to take on Trump in the general election: U.S. Senator and gun control advocate Mark Kelly.