In a recent article “Trump picks loyalist Navarro to reprise White House trade role”, published on Reuters.com Attorney Brett O’Brien was sought out for his experience and understanding, as well as quoted in the article.

Here is the excerpt of the article:

But Navarro’s situation is likely different, as Trump could simply override any concerns raised in Navarro’s application, said Brett O’Brien, an expert in security clearance law and owner of the National Security Law Firm LLC in Washington.
“Ultimately the powers over security clearances rest with the president,” O’Brien said in an interview, adding that Trump could also issue a presidential pardon for Navarro.