Father Strives to Push Son Across AmericaFather launches attempt to run across America while pushing his cerebral palsy-stricken son in a wheelchair to raise money for charity. WBRE's LaAdd NBC News to GoogleFather Strives to Push Son Across America01:20Get more newsLiveonAdd NBC News to GoogleSept. 1, 2015, 8:57 PM EDT / Updated Sept. 1, 2015, 8:57 PM EDT