Rafael Nadal and Nick Kyrgios set for Last-16 showdown

*Melbourne:* Australia's Nick Kyrgios said he had "respect" for Rafael Nadal despite their personal differences after he set up a last-16 match with the top seed at the Australian Open on Saturday. Kyrgios played down disagreements with the world number one -- against whom he has a 2-1 record on hard courts -- after some barbed...