Do the Celtics really need Nate Robinson?
— Benjamin (Highland, Calif.) A: No and I caution anyone from thinking Robinson is the type of player that pushes the Celtics over the top in their quest for Banner 18 (not that I suspect too many of those folks exist). It remains to be seen if the Celtics did enough to counter what their rivals achieved (namely the Eastern Conference-leading Cavaliers and their acquisition of Antawn Jamison). But, more than anything, the Robinson trade provided the stirring of the pot this Celtics team needed. Boston appears to be playing with renewed energy and focus since news of the deal trickled out. There were glimpses Tuesday night in Robinson’s debut that he could be a nice addition to the second unit, but let’s remember that he’s little more than a cog among that group of reserves. [+] EnlargeAP Photo/Michael DwyerNew Celtic Nate Robinson drives past former Celtic Eddie House of the Knicks in the fourth quarter of Tuesday’s game. Q: I like the Nate Robinson move, as he will inject some energy