The five most popular CNN.com stories during the last 24 hours, according to NewsPulse:

Girl, 6, was snatched at Little League game: In about the same time that it takes to light a match, tie a shoelace or hail a taxi, 6-year-old Morgan Nick vanished from her mother's sight in Arkansas.

Will the U.S. embrace high-speed rail?: For generations, much of the nation has been forced to use cars, buses or pricey aircraft to travel to nearby cities. But this year, Washington opened the door to what may be a historic turning point in regional travel.

Dr. Laura to end her radio show: Embattled radio talk-show host Dr. Laura Schlessinger announced Tuesday she will not renew her contract that is up at the end of the year, telling CNN's "Larry King Live" she wants to "regain my First Amendment rights."

DA: Craigslist killer suspect wrote in blood: Accused "Craigslist killer" Philip Markoff wrote his ex-fiancee's name in what appeared to be blood on the wall of his jail cell before dying "at his own hand," a Massachusetts prosecutor said Tuesday.

Facebook launches 'location' feature: Facebook on Wednesday launched Facebook Places, which - similar to services such as Foursquare and Gowalla - will allow people to use the GPS on their mobile phones to let friends know exactly where they are.