As of now, 20 states have legalized marijuana for medical purposes, and voters in Colorado and Washington have approved marijuana for recreational use. About a dozen more states are expected to legalize marijuana in some form over the next several years.
As of January 31, 2014, passengers traveling internationally into the U.S. and connecting to another flight are allowed to have in their carry-on baggage liquids in excess of 3.4 ounces (100 mL) that were purchased as duty-free merchandise.
The Transportation Security Administration devised the 3-1-1 Rule for liquids in carry-on luggage. The rule states that you can bring as many 3.4-ounce bottles as will fit into a 1-quart bag, and there is a limit of one bag per ticketed passenger.The bag must be made of clear plastic with a zip-close top.he rule states that you can bring as many 3.4-ounce bottles as will fit into a 1-quart bag, and there is a limit of one bag per ticketed passenger.