The economic and political implosion in Venezuela has sent millions of people out of the country – between 2 ½ and 3 million, says the United Nations.  More than a million refugees are now living in Colombia… and top government officials predict that number could double in a couple of years.  Christine Armario of the Bogota bureau of the Associated Press (AP) has covered the conflict over a now-closed tent camp in the capital, and several, much larger, more permanent-looking camps close to the Venezuelan border.