By MARK KENNEDY AP Entertainment Writer NEW YORK (AP) — Babies born this coming Saturday could get a birthday present featuring a guy who knows how to have fun — The Cat in the Hat.Dr. Seuss Enterprises is celebrating the iconic children’s author’s 120th birthday with a free giveaway of “The Cat in the Hat” to U.S. residents who have a baby born this March 2.The offer is on a first-come, first…