House Democrats said Tuesday that they would run newspaper advertisements this week criticizing the ethics of six House Republicans, including Representative Randy Cunningham of California, who is under investigation by a grand jury looking into his ties with a military contractor.... Mr. Wade paid $1,675,000 for the house and sold it nearly a year later for $975,000, for a loss of $700,000 in one of the hottest housing markets. Mr. Cunningham said he "showed poor judgment" in selling his house to a friend who did business with the government. Moreover, he said, "I showed poor judgment in not listing the...