Lawmakers and a whistle-blower blasted the Securities and Exchange Commission during Congressional hearings into the case of Bernard Madoff, a Wall Street investor accused of massive fraud. Kwame Holman reports.

President-elect Barack Obama released a report Tuesday showing no inappropriate communications between members of his staff and Illinois Gov. Rod Blagojevich, who is accused to trying to sell Obama's vacant Senate seat. NewsHour correspondent Elizabeth Brackett provides an update.

Two teams of government investigators testing the effectiveness of radiation monitors at U.S. borders were able to smuggle in enough radioactive material to make two "dirty bombs," a federal report released Monday said.

By PBS News Hour