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Nik Wallenda

Things to know for Monday

Things to know for Monday

A daredevil and two dissidents are piquing online readers' interest this morning as Edward Snowden, Nelson Mandela and Nik Wallenda all make the news again. Welcome to your post-weekend trends report for June 24, 2013.

Nik Wallenda, who teetered his way over Baltimore's Inner Harbor last year, took on a much larger task as he crossed the Grand Canyon on a high wire.

A similarly precarious bit of footwork appears to be underway in Moscow (or maybe