"A good portion of that route was wilderness, and the outskirts of the city was kind of a rough lot, " Milligan says.

NPR: Living History At Lincoln's Summer Retreat

"For the first summer, he had no military protection, " Milligan says.

NPR: Living History At Lincoln's Summer Retreat

"They see this lone horseman galloping toward them, and they describe his coat flapping in the breeze and the top hat on his head, " Milligan says.

NPR: Living History At Lincoln's Summer Retreat

"We're pleased they're going to repropose" amendments, says Susan Milligan, senior vice president of government relations for Options Clearing, the clearing house for the major options exchanges, including the Chicago Board Options Exchange, American Stock Exchange, Boston Options Exchange and International Securities Exchange.

FORBES: Option Markets Make A Racket