'Mattress Mack' plans to make biggest-ever bet on Kentucky Derby

Mattress Mack is headed to the track. Houston furniture store owner Jim "Mattress Mack" McIngvale plans to make the biggest bet in Kentucky Derby history on Saturday at Churchill Downs. McIngvale, 70, said he'll wager "$2 million plus, maybe $3 million, maybe $4 million" on Essential Quality, the 5-2 favorite,...