The United States posted weaker-than-expected job growth in June as new data showed the labour market is facing headwinds ahead of the testing midterm election for President Donald Trump’s Republicans. Total nonfarm payroll employment grew by 57,000 and the unemployment rate fell slightly to 4.2 per cent, the US Bureau of Labour Statistics (BLS) said in a statement on Thursday. After months of seesawing growth and contraction, the US job market posted strong gains in the last three months, but...