Pres. George H.W. Bush and his Secret Service detail shave their heads to support a 2-year-old boy with cancer.
Sen. Marco Rubio tells Politico he wants to be the lead sponsor of a federal 20-week abortion ban.
Another piece of the IRS scandal appears to fizzle.
Republican campaign trackers push the boundaries of tradition by invading Capitol Hill.
A New York State jury puts a convicted killer on the state's otherwise-empty death row.
Chemical weapons experts arrive in Syria.
NBC's Richard Engel is the first journalist to get a camera into the CIA's private museum.