It’s been said he who represents himself has a fool for a client — but CBS Television Distribution honcho Scott Koondel is giving it a try in his battle in Nassau County with his ex-wife, from whom he split 13 years ago. While her friends claim he’s a deadbeat dad who’s refusing to pay for their daughter’s college tuition, a pal of Koondel said, “He has never missed a payment . . . he wants a reduction in spousal support.” A spokesman for Koondel said: “He does not wish to litigate this private matter in the press.”