Gettysburg: day 2

Did the action that occured on day two prompt the A.N.V. and the A. of the potomac to concentrate on the center of their lines or did it lead the union to focus on their flanks?

Gettysburg: Day 3

A battle in and around a small town in Pennsylvania had been raging for two hot July days When Gen.Robert E. Lee decided that a full frontal assuult on the weaker Union position in their center was the only way to drive the enemy from the field.Failed attempts to crush the Army of the Potomac's flanks on the second day of battle and other factors led him to belive that the A.N.V. could not take the,Now reinforced,flanks of Meade's "fish-hook" line.Should Lee have tried to disengage the enemy or possibly made another flanking movement?Did Lee make the right decision to order the assult now Known as 'Pickett's charge' even after Longstreet told Lee that he seriously Doubted the attack would be successful?