Without big trucks, Nissan still lacks credibility as a full-line, top-tier U.S. brand--even Connelly admits as much.

FORBES: Overdrive

Unfortunately, Roger has denied this and has led a full court attack on my credibility.

NPR: Before Congress, Clemens Insists He Is Innocent

"Unfortunately Roger has denied this and led a full-court attack on my credibility, " McNamee said.

NPR: Clemens Denies Drug Use, Pettitte's Account

To gain credibility, as well as traction, he must disprove the label of full-time dabbler.

FORBES: Russian Billionaire Mikhail Prokhorov: From Oligarch To President?

Full currency union seems to remove that margin of discretion, and shore up the credibility of the government's promise not to devalue.

ECONOMIST: No more peso?