checkered

The CIA has a long and checkered history in the region over many years, but I don’t think any president has been dim enough to announce it in advance.

California, biomass energy advocates say, has struggled to get past its distrust of the technology, given traditional biomass’ checkered past of clear-cutting forests and polluting poorer communities.

In October, however, no one’s history has been more checkered.

Brown made sure to conceal his checkered past from potential business partners.

The first lady also has a checkered history when it comes to her prose.