Sen. Sherrod Brown (D-OH) and House Democrats are pushing sister bills to curb rising drug prices: one would direct Medicare to negotiate drug prices and let the government force generic competition before patents and exclusivities expire when negotiations fail; the other would penalize companies that price gouge. Both bills were introduced last congressional session. Democrats are tripping over one another to attack drug makers. Several drug-pricing bills have been introduced in the new Congress, some of them bipartisan; multiple hearings...