Houston billionaires Rich and Nancy Kinder plan to donate an astounding 95% of their multi-billion-dollar wealth to charities, they told ABC13's Melanie Lawson. The news comes as the Kinder Foundation announced an $18.5 million expansion project for Emancipation Park in the heart of Third Ward. That historic park was founded by slaves in 1872. The Kinders are one of the wealthiest couples in the nation, worth $11.4 billion, according to Forbes. You've certainly seen the Kinder name on buildin...