Charles Schwab may also find himself crossing paths with some of his former lieutenants.

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In the past, researchers have used data from planes that fly criss-crossing paths over Greenland to assess the extent of its ice sheets.

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The candidates are all in the state at the same time, crossing paths and meeting on the stump or in television studios and debates.

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For the relatively small number of users, there was a huge amount of paths crossing.

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