Add punctuation: If confusion exists laboratory studies of swabs of the involved areas may be obtained
A: If confusion exists, laboratory studies of swabs of the involved areas may be obtained.

Add punctuation: What does McAfee Total Protection protect against and what are the extensive features offered by this package
A: What does McAfee Total Protection protect against and what are the extensive features offered by this package?

Add punctuation: Rear Admiral Kimmel CommanderinChief of the Pacific Fleet at the time says of another admirals belief that President Roosevelts plans required that no word be sent to alert the fleet in Hawaii that the individuals in high position in Washington who wilfully refrained from alerting our forces at Pearl Harbour should never be excused
A:
Rear Admiral Kimmel, Commander-in-Chief of the Pacific Fleet at the time, says of another admiral's belief that "President Roosevelt's plans required that no word be sent to alert the fleet in Hawaii," that "the individuals in high position in Washington who wilfully refrained from alerting our forces at Pearl Harbour should never be excused.