Mrs. Bush Gives Away Secrets in Web Chat WASHINGTON - First lady Laura Bush used a live Internet chat session Tuesday to preach the gospel of reading to children — and to let a couple of secrets out of the bag. A British questioner told Mrs. Bush he was looking forward to her visit with the president to the United Kingdom in October — a trip that neither the White House nor British Prime Minister Tony Blair (news - web sites)'s office have announced. The first lady took care of that. "President Bush (news - web sites) and I are...