They placed a sample of each in a machine that shook them about, and focused a laser beam on each sample.

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They have focused like a laser beam on the holy grail of compensation carried interest.

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He had the entire traditional political press corps and mainstream media focused on him like a laser beam by utilizing one of the most old school tools available to a senator -- the filibuster.

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That means the beam produced is of higher quality than other lasers, is extremely straight (even by the exacting standards of a normal laser beam) and can thus be focused onto a small area.

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