article_snippet: Democratic Senator Elizabeth Warren of Massachusetts (left) and former Maryland Gov. Martin O'Malley (right) are Democratic Senator Elizabeth Warren of Massachusetts (left) and former Maryland Gov. Martin O'Malley (right) politically to Hillary's left but have never run for the White House before .
article_snippet: That could spell trouble for Clinton, a 2008 also-ran who took the silver medal when Barack Obama won the Democratic nomination on his way to the White House.
article_snippet: It also bodes ill for other former big political names whose names have been floated as Hillary's star wanes, including former Vice President Al Gore, current Vice President Joe Biden and Secretary of State John Kerry.
article_snippet: Secretary of State John Kerry were the unsuccessful Democratic nominees in 2004 and 2000, losing to George W. Bush in the general elections.
article_snippet: Clinton came in second among Democratic candidates in 2008, losing the nomination to then-Senator Barack Obama .
article_snippet: Al Gore (right) ran in 2000 and lost to Geroge W. Bush after eight years as vice president, and Secretary of State John Kerry (left, with running mate John Edwards)followed suit in 2004 .