President Barack Obama is launching a version of "take your child to work day" that's focused on America's science laboratories instead of its corporate workspaces. It's part of Obama's effort to encourage young people, especially girls and minorities, to pursue careers in the fields of science, technology, engineering and math. [...] The students, including from communities aligned with Obama's "My Brother's Keeper" initiative, will participate in mentoring sessions, hands-on experiments and other activities. My Brother's Keeper is a public-private initiative started by Obama to help boys and young men of color stay on the right path. The White House Council...