LA PLATA, Argentina (Reuters) -Argentine laborer Pablo Vazquez was finishing a day's shift laying track for a train line near La Plata on the outskirts of Buenos Aires when the foremen called a dozen members of the team together to share bad news. In a shed at the site entrance, the managers said the project had been put on ice as part of a crackdown on public-funded construction works under new libertarian President Javier Milei, who took office just months before in December. Vazquez's story is being repeated around Argentina since Milei, a right-wing economist, came into power p...