Complex sentence: As a start of his book tour, he appears on "Live! with Regis & Kathie Lee", however, upon taking a sip of coffee he spits it out all over Kathie Lee, which quickly ends his book tour.
Split into simpler sentences: As a start of his book tour, he appears on "Live! with Regis & Kathie Lee". However, upon taking a sip of coffee he spits it out all over Kathie Lee, which quickly ends his book tour.