WORLD (MT)

8:00 pm 

PBS NewsHour   A report from Florida, the first state to record more than one million requests for permits to carry concealed weapons. PBS NewsHour explores the increase in requests for gun licenses in the wake of Newtown, and the arguments for and against concealed-carry laws in the state where Trayvon Martin's killing is still a fresh memory. D

9:00 pm 

Nightly Business Report   Stocks weren't the only investments falling today. NBR's Erika Miller takes look at what's at the root of the commodities sell-off and whether it will continue. The White House is threatening to use trade enforcement authority and sanctions to punish nations that steal U.S. D

9:30 pm 

Journal   NULL

10:00 pm 

Charlie Rose   NULL

11:00 pm 

Into The Wild: Edison, Ford & Friends   Between 1914 and 1924, a group of famous friends - prolific inventor Thomas Edison, pioneering auto-maker Henry Ford, best-selling nature writer John Burroughs, and later, tire manufacturer Harvey Firestone - traveled to the remote reaches of Florida's Everglades in search of a rustic camping adventure far from the pressures of work and the press. Freed from the demands of daily life, the friends and their entourage enjoyed the serendipity of life on the road, stopping to help farmers in the field, examining streams for hydroelectric possibilities or engaging in an impromptu tree-chopping contest. INTO THE WILD: EDISON, FORD & FRIENDS features excerpts from the journals and letters of Burroughs and Firestone as well as interviews with historians and biographers. D

11:30 pm 

Untold Stories: Mina Miller Edison, The Wizard's Wife   The wife of Thomas Edison hints at a little-known side of the prolific inventor in her diary entries and reveals her own struggles and accomplishments. Drawn from diaries and letters, this film explores Mina's own impact through the seeds sown in their gardens and her personal charity workG