Federer, Nadal seem sure all will be OK at Australian Open

MELBOURNE, Australia (AP) — As messages on video boards cautioned Australian Open spectators to “be aware we are expecting a reduction in air quality” Saturday, Roger Federer and Rafael Nadal seemed satisfied that all will be fine at the year’s first Grand Slam tournament despite recent days of smoke arriving from wildfires burning 100 or so miles away. The haze hanging over Melbourne Park lately lightened as Monday’s start of main-draw action approaches, but even if things worsen, the owners of a combined 39 major championships were among the players saying they’re confident tennis officials will make sure conditions are safe before allowing competition....