>> reporter: the heartland institute contend it's extensively peer reviewed. martha: very interesting. thank you, mike. bill: a key hearing about to begin on the hill. the attorney general eric holder will face questions on everything from the i.r.s. scandal to president obama's use of executive power. martha: the heavens have a celestial show. the sun, the earth and mars all about to reach a cosmic alignment. i wonder what will happen on when that happens. bill: buy a lottery ticket. ♪ here comes the sun ... when you sat down to dinner with anticipation, not hesitation. when you didn't dread bedtime because of heartburn.