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The '''Presidential Election 2012''' is on Tuesday, November 6, when the [[United States]] elects a president. Candidates are expected to file formal papers indicating their interest in early 2011; many were quietly lining up support throughout 2010.  The key early primaries are [[Iowa]] ([[caucus]]es), [[New Hampshire]], [[Nevada]] ([[caucus]]es), [[South Carolina]].<ref>The order of the early primaries is not yet finally determined as of the end of 2010.  For estimated dates, see http://www.thegreenpapers.com/P12/events.phtml?s=c</ref> [[Barack Obama approval ratings|  

The '''Presidential Election 2012''' is on Tuesday, November 6, when the [[United States]] elects a president. Candidates are expected to file formal papers indicating their interest by July 2011; many were quietly lining up support throughout 2010.  The key early primaries are [[Iowa]] ([[caucus]]es), [[New Hampshire]], [[Nevada]] ([[caucus]]es), [[South Carolina]].<ref>The order of the early primaries is not yet finally determined as of the end of 2010.  For estimated dates, see http://www.thegreenpapers.com/P12/events.phtml?s=c</ref> [[Barack Obama approval ratings|  

Obama's declining popularity]] across all voter demographics has stirred talk he may face a primary challenge. [[Liberal]] [[Mike Bloomberg]] might run as an independent, splitting votes with [[Obama]].

Obama's declining popularity]] has made it more difficult for him to win reelection. [[Liberal]] [[Mike Bloomberg]] might run as an independent, splitting votes with [[Obama]].

For the Republican nomination, a sophisticated set of "[[stalking horse]]" candidates and endorsers are being used, as in 2008 when [[Fred Thompson]] and [[Mike Huckabee]] prevented [[Mitt Romney]] from winning.  This time Mitt Romney has [[Rick Santorum]], [[Chris Christie]] and probably [[Tim Pawlenty]] on his side ("[[Team Mitt]]"), while [[Newt Gingrich]] will likely have on his side [[Sarah Palin]] and some pro-life groups, [[neoconservatives]], the [[Fox News Channel]] and [[WSJ]]; [[Mike Huckabee]] will likely endorse Newt also ("[[Team Newt]]").

For the Republican nomination, a sophisticated set of "[[stalking horse]]" candidates and endorsers are being used, as in 2008 when [[Fred Thompson]] and [[Mike Huckabee]] prevented [[Mitt Romney]] from winning.  This time Mitt Romney has [[Rick Santorum]], [[Chris Christie]] and probably [[Tim Pawlenty]] on his side ("[[Team Mitt]]"), while [[Newt Gingrich]] will likely have on his side [[Sarah Palin]] and some pro-life groups, [[neoconservatives]], the [[Fox News Channel]] and [[WSJ]]; [[Mike Huckabee]] will likely endorse Newt also ("[[Team Newt]]").