SportsLi Na vs Agnieszka Radwanska: Chinese beats Polish to reach Australian Open semisAFPJanuary 22, 2013 by AFPJanuary 22, 2013 Melbourne: China’s Li Na stormed into the Australian Open semi-finals Tuesday with a 7-5, 6-3 win over Poland’s Agnieszka Radwanska, who suffered her first defeat...