The Arizona lawman who calls himself America's toughest sheriff is taking aim at President Obama's birth certificate issue.
The controversy over the certificate has been widely debunked,
but it remains alive in the eyes of some conservatives.
On Thursday, Maricopa County Sheriff Joe Arpaio says he'll unveil preliminary results of an investigation conducted by members of his volunteer cold-case posse into the authenticity of Obama's birth certificate.
Arpaio is facing problems of his own, including a federal grand
jury probe over alleged abuse of power and Justice Department accusations of racial profiling.
Rather than seek cover, Arpaio is moving into the spotlight in a
fashion that has helped boost his career as a nationally known law