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Israel’s military attack upends the diplomatic chessboard, such as it is, turning the last few months of U.S.-Iran discussions into empty theater.

Mothers, fathers and whole families are figures on a chessboard, disposable.

There was also another piece on the chessboard by this stage: Donald Trump.

The so-called "database engineering" has opened the doors to biomedical research for many computer scientists and mathematicians, who often play essential roles on this chessboard.

The main difference this time around is that a new piece is dominating the Hill's political chessboard: The election.