Today we're highlighting commentary from Passport Capital's Q1 letter to investors. We've already highlighted how Passport is net short and so now we want to shift focus to John Burbank's top longs. Passport's Top 10 Holdings (at end of Q1) 1. Vivus (VVUS US): 5% of NAV 2. Cytec Industries (CYT US): 4% 3. Marathon Petroleum (MPC US): 4% 4. Ya...