Thoughtful perspective by @nbhorwitz on how drug development in cancer may be harder than you think. How do we know when to drop a “hot” project ? What are the signposts of early failure? And yet, what’s the alternative .. but to try, try , try ? https://www.washingtonpost.com/national/health-science/heres-what-happened-when-i-tried-to-develop-a-new-drug-for-a-deadly-cancer/2019/01/11/697cf9f6-039f-11e9-9122-82e98f91ee6f_story.html?utm_term=.f1d87efdcf1d …