Introduction

Reuters World News brings you everything you need to know from the front lines for the weekend. We kick it off in Bahrain for the season opener of the Formula One Grand Prix. Then a quick swerve to inside the Civil War within the Republican Party will be infighting their race to the White House. And we end in mellow fashion in the Netherlands, where they're trying to stub out the legal lacunar where cannabis is legal to smoke, but not to supply.