TODAY 3rd Hour: Heart health. Morena Baccarin on NBC’s “The Endgame.” Mistakes We Make — kitchen.

<p>TODAY’s Checklist — how to be smart when it comes to your heart. Plus, Morena Baccarin chats all about the new NBC series “The Endgame.” And, author Mark Bittman is correcting the “Mistakes We Make” in the kitchen.</p>