ClimateWire: House Democrats are within sight of an agreement on key pieces of a major energy and climate change bill as the Memorial Day deadline for an Energy and Commerce Committee markup draws near. Chairman Henry Waxman (D-Calif.) is trying to produce a draft of the legislation this week, and Democratic aides said Friday that the first of several consensus points may be unveiled as early as today. But they also urged caution considering several false alarms late last week when similar deals …