IR Post 2 What brings parties together? Doubts over bipartisanship (3)

Facts:

• Obama making a bipartisanship between both parties ( Democrats and Republicans)
• Tax cuts should not be extended for households earning more than $250,000
• The president's inconsistent efforts have left both parties wondering about his intentions

http://www.politico.com/news/stories/1110/45784.html

Questions:

• Why do each party have doubts of Obama's intentions?
• What caused Obama to make this decision?

Link:
http://www.rawstory.com/rs/2010/11/obama-vows-redouble-efforts-bipartisanship/