John Frank ’78, P '12 believes in the power of a well-written sentence. So much so, he will tell you, that knowing how to write can make the difference between success and failure in life. He will also tell you that he learned to write, and write well, at Wesleyan. To Frank, a lawyer and investor in California, and his wife Diann Kim P’12, it was critical to ensure continued success for Wesleyan’s writing instruction, especially the Writing Certificate launched and overseen by his sister, Anne Greene. Their gift of more than $2 million will fund Writing at Wesleyan's Writing…