Ro Khanna (Alex Wong/Getty Images) Rep. Ro Khanna (D., Calif.) has emerged as a potential contender for the Democratic presidential nomination while denouncing the ultra-rich who "hoard wealth and engage in financial speculation." But the progressive, Silicon Valley congressman and his family live a life of staggering luxury, fueled by dynastic wealth they did not earn and protected by the same thicket of trusts, anonymous corporations, and foundations that Khanna condemns.