after being acquitted in the united states. and the four weeks to go and a number of çcontroversial cas ranging from contraception and man date to obama care and separation of powers. the spotlight may rest on john roberts that took a leadç on hh )sq in the high court. shannon has more. reporter: appointed byìc% george w. bush heç has been chief justice nine years and leading the court through the biggest decisions. he vowed to be an umpire and calling balls and çstrikes. he generally sided with the conservative wing,ç liberals praised roberts when heç was t key to upholding theç affordab care act. many haveç changed their vow o liberals now view the obama care rulingç off off in the