The temperatures outside are reaching triple digits. Summer is officially in full swing. What else is in full swing--the police patrolling for drivers who may be driving under the influence of alcohol or drugs. In Pennsylvania, summertime generally means an increase in police on the road looking for drivers who may be driving under the influence of alcohol, prescription drugs, illegal drugs or a combination of them. So all drivers must exercise caution and be aware that the police are out there. Police generally use two means of detecting people driving under the influence: roving patrols and DUI checkpoints. Roving…