Marco Rubio isn't running for anything right now, but that didn't stop him from spending more than $20,000 on a top national research firm to check out his own vulnerabilities.
Rubio spent $21,421 for "research consulting" from MB Public Affairs, a well-regarded firm based in Sacramento, according to his most recent campaign finance filing. ...
A Rubio aide confirms that the spending was for research into Rubio himself. The Senator came under intense scrutiny last October when the Washington Post reported that his parents had left Cuba as emigres and not, as Rubio had appeared at times to suggest, as post-Castro exiles. (The post continues here.)