[RightWhale]

The sudden strength of the Union resistance to his advance may have surprised him. He didn't want to give up his strategy of moving on Baltimore, and then it was too late, events could not be unwound.

[timpad]

And without Staurt's cavalry at hand, he was ripe for a surprise. If Lee had a clearer picture of his situation, it may have been a rough summer at the White House.

I think it's one reason Gettysburg continues to fascinate. So many crucial turning points, so little time.