have even tried to nurture a fish while they may look chilled out, zoo keepers say these birds ar flexing their feathers s,a lot already protective penguin dads kelly cobiella, nbc news >> best of luck to the new family that's "nightly news" this wednesday i'm lester holt. for all of us at nbc news, thanks for watching and good night. announcer: today on "steve. steve: jordin sparks! last time you were here, we were talking about your boyfriend who is now your husband. how did you know he was the one? >> i didn't. announcer: plus -- steve: it's not too le to get more money back on your taxes. >> i am a single mom. i really have to lower my overhand. you can transform your life forever. steve: uh-oh.