By LISA MASCARO, ZEKE MILLER and WILL WEISSERT Associated Press WASHINGTON (AP) — Democrats worried about President Joe Biden’s ability to win this November are making a renewed push for him to reconsider his reelection bid, using mountains of data, frank conversations and now, his own time off the campaign trail after testing positive for COVID-19, to encourage a reassessment. Biden has insisted he is not backing down, adamant that he is the candidate who beat Republican Donald Trump before and will do it again this year.