TODAY 8a: Al's exclusive interview with former President Barack Obama. Causes and treatments for skin spots. Martha Stewart on Easter decorating.

<p>Al joins former President Barack Obama to talk about his new Netflix show, “Our Great National Parks,” and his life since leaving office. Plus, a top dermatologist shares tips to get rid of dark spots without breaking the bank. Also, Martha Stewart joins us to share creative ideas for decorating your holiday table. </p>