Obama pushing his luck with partisan politics.

• Position: Barack Obama - Brief article

"While the health care vote certainly was good news for [Pres. Barack] Obama in the near term, it would be dangerous to rely on a purely partisan strategy in the future. Defections by some Democrats may be more likely on issues such as immigration. In addition, the Democratic margins in Congress could diminish in 2010 and 2012," suggests John Graham, who served under Pres. George W. Bush as administrator of the Office of Information and Regulatory Affairs in the Office and Management and Budget.

"Pres. Obama cannot count on any cooperation from Republican leaders in Congress but, if he chooses his priorities carefully, he should be able to succeed on future legislation the same way Bush often...