Obamacare is at judicial crossroads as high court to hear key same-sex marriage case . Case could decide whether same-sex couples nationwide have constitutional right to marry . Chief justice disappointed conservatives earlier when he helped uphold John Roberts .
John Roberts is at judicial crossroads as high court to hear key same-sex marriage case . Case could decide whether same-sex couples nationwide have constitutional right to marry . Chief justice disappointed conservatives earlier when he helped uphold Obamacare .