The word "funny" is not the first thing that springs to mind when you hear the name "Gore." Last year, when Miramax announced it had commissioned Kristin Gore, daughter of Al, to write a comic novel about a single woman working in Washington, Jay Leno turned the book into a punch line of his own. "It's about a Capitol Hill staffer who works with a congressman on a health-care subcommittee," he said. "Apparently that boring gene doesn't fall far from the tree." Turns out, yes it does. "Sammy's Hill" is a laugh-out-loud literary debut, certain to draw comparisons to "Bridget...