WASHINGTON - The $50 bill is getting splashes of red, white and blue, the second of the nation's paper currencies to sport new hues beyond the traditional black-ink fronts and green-ink backs. The makeover, being unveiled Monday, is part of an effort to make U.S. bills harder to counterfeit. The extra color is subtle, similar to the look of the new $20 bill, which went into circulation last fall with a color treatment featuring touches of peach, blue and yellow. "The new design is more secure than ever before. We believe it will be extremely effective in discouraging counterfeiters," said...