Mexico proposes raising limit on decriminalized pot to 1 oz

Mexican President Enrique Pena Nieto holds up a signed document during an announcement on proposed marijuana policy, in Mexico City, Thursday April 21, 2016. Pena Nieto said Thursday he will ask Congress to raise the limit on decriminalized marijuana for personal use to 28 grams, or about one ounce. Mexico had previously exempted from prosecution only five grams, or less than a fifth of an ounce. The bill presented would free people who are on trial or serving time for possession of up to an ounce of marijuana. (AP Photo/Eduardo Verdugo) (The Associated Press)

Mexican President Enrique Pena Nieto attends an announcement about the use of marijuana, in Mexico City, Thursday April 21, 2016. Pena Nieto said Thursday he will ask Congress to raise the limit on decriminalized marijuana for personal use to 28 grams, or about one ounce. Mexico had previously exempted from prosecution only five grams, or less than a fifth of an ounce. The bill presented would free people who are on trial or serving time for possession of up to an ounce of marijuana. (AP Photo/Eduardo Verdugo) (The Associated Press)

Mexican President Enrique Pena Nieto speaks during an announcement on marijuana policy, in Mexico City, Thursday April 21, 2016. Pena Nieto said Thursday he will ask Congress to raise the limit on decriminalized marijuana for personal use to 28 grams, or about one ounce. Mexico had previously exempted from prosecution only five grams, or less than a fifth of an ounce. The bill presented would free people who are on trial or serving time for possession of up to an ounce of marijuana. (AP Photo/Eduardo Verdugo) (The Associated Press)