text:  You know, that sense of confidence has been instilled at least a little bit in most of these Democrats. But then you also have some sources that have talked to Fox News and some Democrats who have talked anonymously and didn't put their name out there who have expressed concerns and have definitely floated the idea of maybe considering another candidate down the road. But just right now, we don't have any hard evidence that there is an effort to try and replace President Biden at the top of the ticket.