Nia Long discusses her role on Showtime's "House of Lies." So, will a romance brew between her character and Don Cheadle's character? Plus, after seeing Barbra Streisand perform at the Oscars, Nia gushes over her love for the legendary singer. Also, the actress raves over being a mother. "House of Lies" airs Sundays at 10 PM on Showtime.