An unusual alliance emerged in the House on Wednesday as lawmakers who agree on little else rallied support for a bill that would prohibit members of Congress and their families from owning and trading individual stocks. The group included darlings of the far right, the left, moderates and many in between. They gathered to promote a ban that polls well with voters and appears to be finding new momentum after stalling out in previous sessions of Congress. Congress has discussed proposals for years to keep lawmakers from engaging in trading individual stocks, nodding to the idea that there’s a potential conflict of interest when they are often privy to information and decisions that can dramatically move markets.