What happens when an NFL quarterback completes just 11 passes in a game for only 91 yards?If your name is Colin Kaepernick, you suddenly become the focus of every NFL analyst from San Francisco to Bristol, Conn.That's been the case for the 49ers' Kaepernick this week after he produced some of his worst numbers as a pro quarterback in a 10-9 loss to the Carolina Panthers this past Sunday.The performance set off alarms across the media spectrum, because Kaepernick coming into this season appeared on the verge of becoming one of the league's best. And, he came out firing in Game 1 of this season by throwing for 412 yards and three TDs in a 34-28 shootout victory over the Green Bay Packers.But since then, Kaepernick's season has been a tale of two quarterbacks. In the Niners' victories, he's been solid; in the team's three losses – to Seattle, Indianapolis and Carolina – he's been horrid.So what's the problem?This week, as the 49ers (6-3) prepared to play the Saints (7-2) Sunday in New Orleans, a number of people weighed in, including:* Niners head coach Jim Harbaugh, who said Kaepernick is just one element of the offense that isn't clicking. He said the entire unit is to...