The second half of the Sweet 16 contest is decided tonight, with two games apiece televised by CBS and TBS. CBS goes first, at 7 p.m. ET, with No. 1 Virginia facing No. 4 Iowa State. TBS starts at 7:15 ET, with No. 6 Notre Dame going against No. 7. Wisconsin. The later games are an exciting matchup of surviving double-digit seeds, No. 10 Syracuse vs. No. 11 Gonzaga (9:30 p.m. ET on CBS), and the night’s other top seed, North Carolina, facing No. 5 Indiana (9:45 p.m. ET on TBS). The storied