WASHINGTON — U.S. Sen. Cory Booker just visited 24 -- count 'em, 24 -- states stumping for Democrats in the midterm elections. He contributed $686,000 to House and Senate candidates across the nation. And along the way, New Jersey's dynamic Democrat stopped in all those early presidential primary states, plus a few that look to be big battlegrounds. A dry run for a potential 2020 bid? Even Booker wouldn't quarrel with that. "I will consider running for president," Booker told NJ Advance Media. "That's something that I will do. There's people in New Jersey who are talking to me about...