The Financial Times has an article on Silicon Valley opposition to raising the tax on "carried interest." You can see the groundwork starting to be laid for a carve-out or exemption for venture capital. The FT quotes a managing director at Scale Venture Partners, Kate Mitchell:
she said that the venture capital community represented just one 16th of the revenues this bill would target. "We're a really small part of the picture. Most of the revenue is generated by other asset classes."