Complex sentence: Randy, believing that Obama's win means he will be financially secure forever, openly insults and punches his boss (also an Obama supporter), while other revelers tip over Officer Barbrady's police car when he tries to restore order.
Split into simpler sentences: Randy, believing that Obama's win means he will be financially secure forever, insults and beats up his boss (also an Obama supporter). Other revelers tip over Officer Barbrady's police car when he tries to restore order.