Nevada Republican Senate nominee Sharron Angle, perhaps in an attempt to prove she's color-blind, instead may have ended up insulting some Hispanic high school students by apparently not being able to distinguish between them and Asians. The remarks were made last week during a discussion about her campaign ads that focus on illegal immigration. In audio recordings released by The Associated Press and Nevada newspapers, Angle can be heard defending those ads, even suggesting they're focused on the threat posed by the United States' "porous" northern border with Canada. Asked why she features images of Latinos in her ads, Angle...