When it came to investigating Obama’s eligibility, however, Adams – who is now running for the U.S. House – said he feared Congress standing up to the chief executive would trigger “a constitutional crisis unlike one we’ve seen since perhaps the Civil War.” Further, Adams questioned whether an investigation by Arizona Sheriff Joe Arpaio – determining probable cause to suspect the White House presented forged documents as “proof” of Obama’s eligibility – lends “credibility” to the case.