Photo: Aaron Henry blocks D.J. Steward's shot. By TOM SHANAHAN Michigan State coach Tom Izzo took another good team to Cameron Indoor Stadium, but this time his players responded to the usual Duke fast start and finished with a 75-69 Tuesday night in the State Farm Champions Classic. The No. 8-ranked Spartans (3-0) delivered a pair of firsts for an Izzo-coached team against No. 6 Duke (1-1) – a win at Cameron and a win over the Blue…