x     Hundreds of Brazilians camped overnight on beach chairs, plastic benches and tarps outside an immigration center in Ciudad del Este, on the border with Brazil, to secure a spot in a Paraguayan government drive to fast-track residency applications. Some organized an improvised barbecue on a barrel while they waited. Others had traveled more than 1,500 kilometers by bus. All shared a common thread: the desire to leave Brazil for reasons they describe as political, economic and ideological,