WASHINGTON — A woman who attacked a painting at Washington's National Gallery of Art earlier this year has struck again, police say, this time lashing out against a Henri Matisse painting at the museum.Susan Burns of Alexandria, Va., was arrested Aug. 5 after police say she walked over to Matisse's 1919 painting "The Plumed Hat," and slammed the painting repeatedly against a wall, damaging its frame but not the $2.5 million painting.Read More...