President Obama, Vice President Biden rally for Clinton at DNC

PHILADELPHIA -- President Barack Obama and Vice President Joe Biden rallied for Hillary Clinton at the Democratic National Convention Wednesday night.[br /][Ads /][br /][/b][br /][br /]Hillary Clinton made history Tuesday and now political heavyweights are headed to the DNC to rally Americans to vote for her.[br /][br /][b]PHOTOS: [url HREF="http://abc7news.com/politics/photos-abc7-at-the-2016-democratic-national-convention/1444984/ " TARGET="" REL=""]ABC7 at the 2016 Democratic National Convention[/url][/b][br /][media ID="1444960" /][br /][br /]Obama warned Democrats that Donald Trump could win this race. "Anything is possible. You stay worried until all those votes are cast and counted," he said.[br /][br /]Biden told GMA that he's confident the Bernie Sanders faithful will convert and vote for Clinton. "I know you can't vote for Trump, I know," he whispered during the interview.[br /][br /][b]WATCH LIVE: [url HREF="http://abc7news.com/politics/abc-news-live-democratic-national-convention/1440865/" TARGET="" REL=""]ABC News coverage of the DNC[/url][/b][br /][br /]On the campaign trail, Trump is hitting his now official opponent and her convention with fresh attacks. "She's been a mess," he said.[br /][br /]Voters are seeing fresh praise for Clinton, too, with Bill Clinton revealing her personal side. "In the spring of 1971, I met a girl and she's the best darn change maker I've ever met in my entire life," he said.[br /][Ads /][br /][br /][br /][b]RELATED: [url HREF="http://abc7news.com/politics/what-we-learned-about-hillary-from-bills-words/1444553/" TARGET="" REL=""]What Bill Clinton revealed about Hillary in his DNC speech[/url][/b][br /][br /]And at the DNC, with Bernie Sanders leaving the public stage as a candidate in this race, Clinton's VP hopeful, Senator Tim Kaine, is getting ready to make his biggest entrance on it yet.[br /][br /]Kaine will give a speech Wednesday and while he was once the chair of the DNC, much of the senator's political career has been at the state level. This is really an opportunity for him to introduce himself to the nation.[br /][br /][b]PHOTOS: [url HREF="http://abc7news.com/politics/photos-scenes-from-the-2016-dnc-in-philadelphia/1441143/" TARGET="" REL=""]The 2016 DNC in Philadelphia[/url][/b][br /][media ID="1440919" /][br /][br /]Meanwhile, Trump is fanning the flames of the email hack involving the Democratic National Committee. The New York Times is reporting that Trump said publicly that he hopes Russia was able to hack Clinton's email.[br /][br /][b]RELATED: [url HREF="http://abc7news.com/news/trump-says-he-hope-russia-finds-clintons-deleted-emails/1445241/ " TARGET="" REL=""]Trump says he hopes Russia finds Clinton's deleted emails[/url][/b][br /][Ads /][br /][br /][br /]He's encouraging Russia to dig up the 30,000 emails missing from Clinton's files after her use of a private server while she was secretary of state.[br /][br /]The Clinton campaign has responded, accusing Trump of espionage.[br /][br /][b]RELATED: [url HREF="http://abc7news.com/politics/democrats-nominate-clinton-for-president/1443365/ " TARGET="" REL=""]Clinton steps into history as 1st woman White House nominee[/url][/b][br /][br /]The Times also reports American intelligence agencies have "high confidence" that Russia was behind the DNC email hack. They're not sure if the hacking was routine cyber espionage or perhaps an effort to influence the upcoming election.[br /][br /][i]ABC7 News contributed to this story.[/i][br /][br /][b]ABC7 anchor Reggie Aqui and reporter Laura Anthony are reporting live from the DNC in Philadelphia. You can follow them on social media: [url HREF="https://www.facebook.com/reggieaqui" TARGET="" REL=""]Click here[/url] to follow Reggie on Facebook and [url HREF="https://twitter.com/reggieaqui" TARGET="" REL=""]click here[/url] for Twitter. Track Laura Anthony on [url HREF="https://www.facebook.com/laura.anthony1" TARGET="" REL=""]Facebook here[/url] and follow her [url HREF="https://twitter.com/LauraAnthony7" TARGET="" REL=""]Twitter here[/url].[/b][br /][br /][b]For full coverage of the 2016 DNC, [url HREF="http://abc7news.com/tag/2016-democratic-national-convention-dnc/" TARGET="" REL=""]click here[/url], and [url HREF="http://abc7news.com/tag/2016-election/" TARGET="" REL=""]click here[/url] for full coverage on the presidential race.[/b]