He is the most talented horse--pound for pound--in a field of seven that was drawn earlier this week, but Whisper Hill Farm's 'TDN Rising Star' Charge It (Tapit) nevertheless has a fair bit to prove as the 8-5 morning-line favorite in Saturday's $1-million GII Oaklawn H. in Hot Springs. The 23-length winner of last year's GIII Dwyer S., the homebred returned with a stylish Gulfstream allowance victory first off a seven-month absence Feb. 5, but exits a disappointing runner-up effort in the GII Gulfstream Park Mile Mar. 4. The blinkers...