we will ask michael farren of the mercator center, plus many more of your calls. we will be right back. ♪ for nearly 20 years, "in depth" on booktv has feature some of the nation's best-known nonfiction writers. is featuring fiction writers, for our monthly program edition." fiction join us with walter mosley, his most recent book is "down the river onto the sea," and his andrs -- "gone fishin'" "fearless jones." we will be taking your phone calls, tweets, and facebook messages. our special series "in-depth: withon edition" walter mosley on c-span2 on booktv. this weekend on the c-span networks, tonight at 9:20 p.m. on c-span, a debate on the suit by a same-sex couple against a colorado bakery for refusing to make their wedding cake from the national constitution center in philadelphia, and sunday at 6:30 p.m., daniel martin, chairman on the u.s. commission on th internatio freedom on the current state of religious freedom around the world. and on "after words," "associated press" writer jesse holland about the events leading up to the assassination of martin luth