The increasing number of the unaccompanied children across the U. S. border pres

The United States pressured Mexico to step up detentions of migrants after the number of unaccompanied children arriving at the U. S. border soared to more than 44, 500 in the first six months of 2014. Last year, Mexican authorities apprehended nearly 36,000 children, more than half of whom were unaccompanied. By comparison, Mexico detained just 9, 600 children in 2013.

Leaders of start-ups often see strategy, the pursuit of a clearly defined path that is systematically identified in advance, as the enemy of entrepreneurship, which requires ventures to be opportunistic and quickly shift course as they learn what customers want.