FT. BRAGG, NC - JANUARY 12: U.S. Army Sgt. Robert Bowdrie "Bowe" Bergdahl, 29 of Hailey, Idaho, arrives at the Ft. Bragg military courthouse with his attorney Lt. Col. Franklin Rosenblatt for a pretrial hearing on January 12, 2016 in Ft. Bragg, North Carolina. Bergdhal is not allowed to wear four particular merit decorations, including his Purple Heart ribbon during the hearings and trial. Bergdahl faces charges of desertion and endangering troops stemming from his decision to leave his outpost in 2009, which landed him five years in Taliban captivity. (Photo by Sara D. Davis/Getty Images)
MANCHESTER, NH - FEBRUARY 09: Republican presidential candidate Donald Trump greets people as he visits a polling station as voters cast their primary day ballots on February 9, 2016 in Manchester, New Hampshire. The process to select the next Democratic and Republican Presidential candidates continues.(Photo by Joe Raedle/Getty Images)
TO GO WITH STORY: Vietnam-health-social-alcohol,FEATURE by Cat Barton
This picture taken on December 13, 2014 shows youngsters cheering up while drinking beer at a local open-air beer bar in downtown Ho Chi Minh City. A scantily-clad DJ gyrates to ear-splitting music as visibly drunk punters order beer towers: welcome to the Hangover, one of a new crop of beer clubs raising concerns about Vietnam's drinking culture. AFP PHOTO / HOANG DINH NAM (Photo credit should read HOANG DINH NAM/AFP/Getty Images)
US President Barack Obama attends a roundtable discussion with members of the Muslim community while visiting the Islamic Society of Baltimore February 3, 2016 in Windsor Mill, Maryland.
Seven years into his presidency, Barack Obama made his first trip to an American mosque on February 4, offering a high-profile rebuttal of harsh Republican election-year rhetoric against Muslims.
/ AFP / Mandel Ngan (Photo credit should read MANDEL NGAN/AFP/Getty Images)
A man calling himself Henry Hemp inhales marijuana using a vaporizer pen at HempCon medical marijuana show, May 24, 2013 at the Los Angeles Convention Center. Thousands of marijuana enthusiasts gathered for the three-day event for exhibits of medical marijuana dispensaries, collectives, evaluation services, legal services and equipment and accessories. Under California state law, people suffering from chronic diseases have the right to grow, buy and use marijuana for medical purposes when recommended by a doctor. In 2003 the Medical Marijuana Protection Act, established an identification card system for medical marijuana patients. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
CEDAR RAPIDS, IA - FEBRUARY 1 : Republican presidential candidate Donald Trump speaks during a campaign event at the U.S. Cellular Convention Center February1, 2016 in Cedar Rapids, Iowa. Trump who is seeking the nomination for the Republican Party attends his final campaign rally ahead of tonight's Iowa Caucus. (Photo by Joshua Lott/Getty Images)
COUNCIL BLUFFS, IA - JANUARY 31: Members of the media watch GOP presidential candidate Donald Trump as he holds a campaign rally at the Gerald W. Kirn Middle School on January 31, 2016 in Council Bluffs, Iowa. Trump and other presidential hopefuls are in Iowa trying to gain support and crucial votes for tomorrow's caucuses.
(Photos by Charles Ommanney/The Washington Post via Getty Images)
TOPSHOT - Indonesian armed military patrol the area near cafe after a series of blasts hit Jakarta on January 14, 2016. An attack on Jakarta is over and no more perpertators are at large, police said on January 14, after gunfire and explosions left seven dead in the Indonesian capital. AFP PHOTO / Bay ISMOYO / AFP / BAY ISMOYO (Photo credit should read BAY ISMOYO/AFP/Getty Images)
Fireworks light up the sky over Sydney's Opera House (L) and Harbour Bridge during New Year celebrations in Sydney on January 1, 2016. AFP PHOTO / Saeed KHAN / AFP / SAEED KHAN (Photo credit should read SAEED KHAN/AFP/Getty Images)
