Obama's done a lot, but gets little credit for it; why?

By Steven Thomma | McClatchy Newspapers

WASHINGTON — Step by step, President Barack Obama is building a record of major legislation that's sure to make a mark on history.

The most sweeping financial regulation since the Great Depression. A vast expansion of health care, which Democrats had wanted for more than six decades. An $862 billion stimulus package that locked in long-sought Democratic priorities.

Yet his job-approval rating remains low. Why doesn't he get any credit?