Bears Test QB Trubisky One Fumbled Snap at a Time

[ PHOTO: CHICAGO TRIBUNE ]

BOURBANNAIS, Ill. -- Quarterback development was a foreign concept in Chicago since the Bears picked Rex Grossman in the first round of the 2003 draft. So the development of Mitchell Trubisky is likely to be a practice in guarding against impatience. In the initial week of Trubisky's first training camp, he displayed both how far away…