Obama says he's ready to pass the baton during campaign stop with Clinton

President Barack Obama campaigned with Hillary Clinton in Charlotte and said he was "ready to pass the baton." The rally came hours after FBI Director James Comey said he would not recommend charges over Clinton's email practices while calling her handling of classified material "extremely careless."

President Barack Obama appeared on the campaign trail with Hillary Clinton in Charlotte and said he was "ready to pass the baton." The event was framed as a show of Democratic unity in a battleground state. The appearance came the same day FBI Director James Comey described Clinton's handling of classified material as "extremely careless" but announced he would not recommend criminal charges. The White House declined to comment on Comey's findings, noting the investigation had not been formally closed. Key details: - Obama joined Clinton onstage in Charlotte and publicly endorsed her experience and character. - FBI Director James Comey announced no recommendation of charges while criticizing her handling of classified information as "extremely careless." - The White House said it would not comment because the investigation was not formally closed. - Obama and Clinton travelled together on Air Force One and rode to the rally together, speaking under "Stronger Together" banners. - Republican rival Donald Trump criticized the timing of the appearance and the FBI decision, calling it evidence of a "rigged" system. Summary: The joint appearance highlighted Democratic unity and was presented by campaign aides as intended to bolster support in a key general election battleground. Undetermined at this time.