Democratic former U.S. Rep. Nick Lampson filed papers with the Federal Election Commission Tuesday to challenge House Majority Leader Tom DeLay, R-Sugar Land, in next year's election. He has scheduled a Washington fund-raiser Thursday, turning an unrelated trip into a campaign kickoff. "It truly got ahead of me," said Lampson, of Beaumont. "I wasn't ready for it to break in the way it broke. But I certainly feel like I'm the one that is far and away prepared to move forward." Sugar Land lawyer Richard Morrison, a Democrat who lost to DeLay in November, said Monday he wouldn't try for...