Tonight and tomorrow night, PBS is showing 180 Days: A Year Inside an American High School . It's a two-part 4-hour special about a "failing" high school in Washington, D.c. where only seven percent of students are deemed proficient in math and only 19 percent in reading. It was produced by the National Black Programming Consortium. (Locally, KCTS 9 is showing it on both nights, starting at 9 p.m.) From the director, Jacquie Jones', piece at the Huffington Post: After receiving this press release, a veteran African American journalist for whom I have the utmost respect, asked me this question in an email: "I looked at the site for this program and I see that the team spent a lot of time in the high school, but what I'm not getting is why this is compelling television. Why should I watch?" That's a good question. And, as I said to him, my honest answer on whether or not you should watch really depends on how interested you are in the to...