MIAMI (AP).- Bill Hudson, an Associated Press photographer whose searing images of the civil rights era documented police brutality and galvanized the public, died Thursday in Jacksonville, Fla. He was 77. Hudson was in Birmingham, Ala., when black demonstrators defied a city ban on protests in 1963, and police turned their dogs on marchers, and again in Selma, Ala., when fire hoses were officers’ weapon of choice. Most enduring of Hudson’s portfolio is a May 3, 1963, image of an officer in dark sunglasses grabbing a black boy by his sweater as he lets a police dog bury its teeth into the youth’s stomach. The boy, Walter Gadsden, has his eyes lowered, with a look of passive calm. Hudson died at Baptist Medical Center Beaches of congestive heart failure, his wife, the former Patricia Gantert confirmed. Hudson lived with his wife nearby in Ponte Vedra, Fla. In more than three decades of photojournalism, Hudson chronicled the Korean War as an Army photographer and bodies destined f