What are the students mainly discussing?

W:Hi, Robert. What are you doing this summer, anything special?
M:Yes. My parents have always liked taking my sister and me to different places in the USA.You know,places with historical significance. I guess they wanted to reinforce the stuff we learned in school abouthistory. And so even though we’re older now, they still do once in a while. Where are you going this summer?
W:Well, this summer it’s finally going to be Gettysburg.
M:Finally? You mean they never took you yet? I mean Gettysburg. It’s probably the most famous CivilWar site in the country. It’s only a couple of hours away. I thought that would be one of the first placesthat they’d have taken you. I’ve been there a couple of times.
W:We planned to go there ten years ago, but I don’t know, something happened, I cannot remember what.
M:Something changed your plans?
W:Yeah, don’t ask me what it was, but we ended up not going anywhere that year. I hope that doesn’t happen again this year.I wrote a paper about Gettysburg last semester for a history class I was taking. Well,about the political situation in the US right after the battle at Gettysburg.So I’m eager to see the place.