. >> chief justice john roberts called scalia an extraordinary individual and jurist admired and treasured by his colleagues. >> his absence on this court cannot be overstated because it will change potentially the balance of the supreme court. remember now the supreme court is narrowly divided 5-4. five conservative, four liberal. >> president obama is to nominate a third justice to the high court, but he may not be able to get past the republican congress before the next presidential election. cbs news, dallas. >> and scalia agency death could start a political fire stark in washington. president obama said tonight he will nominate his replacement. >> i plan to fulfill my constitutional responsibilities to there will be plenty of time for me to do so and for the senate to fulfill its responsibility to give that person a fair hearing and a timely vote. these are responsibilities that i take seriously as should everyone. they're bigger than any one party. they are about our demorracy. >> meanwhile one of justice scalia's former clerks sent us this statement tonight. he says justice scalia