LAWRENCE, Kan. — No. 2-ranked Kansas will take a sparkling 11-1 record into what figures to be a festive 3 1/2-day Christmas vacation for the players and coaches. Kevin McCullar scored a career-high 34 points and Nick Timberlake added 13 points as the Jayhawks upended pesky Yale of the Ivy League 75-60 on Friday night at Allen Fieldhouse. The Jayhawks, however, certainly weren’t guaranteed a carefree holiday much of this game. Yale, which hit five 3s in the first half to KU’s two, led by 11 points (25-14) with 6 minutes, 19 seconds left in the half. McCullar, who had 14 points while playing 18…