Client arrested and charged with DWI, under 21, following minor collision in restaurant parking lot. Trial on all issues including public way, operation and impairment. Client’s breath test (.11 BAC) excluded as prosecution did not call breathalyzer machine operator as necessary witness and defense did not stipulate to test procedure and results. Booking video utilized to rebut officer’s testimony regarding client’s alleged intoxicated appearance and difficulty with field sobriety tests.