Shailene Woodley’s survival instincts drew her to telling Tami Oldham Ashcraft’s story in ‘Adrift’

A dozen miles offshore, Tami Oldham Ashcraft sat on a boat bobbing in the middle of the ocean. She wasn’t alone — there were camera crews all around her — but the memories of her time stranded at sea began flooding her mind.

It had been almost 35 years since she set out to sail 4,000 miles from…