washington democratic presidential front-runner hillary clinton rebuke senate republicans monday deny hear u.s. supreme court nominee merrick garland accuse obstructionism warn dangers donald trump appoint next justice speech wisconsin clinton put future supreme court center election debate caution trump-appointed justices would likely roll back workers abortion right demolish pillars progressive movement kind justice would president trump appoint matter kind attorney general ask note republican front-runner want temporary ban muslims enter country deportation millions undocumented immigrants make extreme normal open door even bad say madison wisconsin part two-day trip state ahead april democratic republican primary elections clinton call republican chuck grassley chairman senate judiciary committee job convene hear garland moderate federal appeal judge president barack obama nominee fill seat vacate feb. 13 death antonin scalia grassley senate republicans say hold hear vote obama nominee presidential election year contend voters say elect next president nov. say voice ignore right obstructionism clinton say choose president choose twice republicans senate act like vote count president obama still nation leader clinton say republican refusal consider garland late long line action aim disrupt government undermine president result america divide less functional less secure grassley six-term senator iowa tangle clinton investigation use private e-mail account secretary state respond clinton want distract voters ongoing email investigations simply blatant attempt secretary clinton politicize supreme court change conversation grassley head committee must hold hear supreme court nominee say statement ahead clinton speech clinton apologize email arrangement investigate federal bureau investigation slam republicans potentially compromise security clinton say nothing wrong believe government vindicate garland travel capitol hill monday meet democratic senators ben cardin maryland joe donnelly indiana first visit republican senator mark kirk illinois schedule tuesday democratic members senate judiciary committee write grassley monday propose hear garland april vote nomination may 25. clinton speech come campaign aid argue rival bernie sanders campaign compete call media whether sanders viable path democratic presidential nomination sanders u.s. senator vermont contest alaska hawaii washington saturday chip away clinton lead race 2,382 delegate need secure democratic nomination party philadelphia convention july clinton lead 268 pledge delegate sanders superdelegates party leaders support candidate add clinton lead 1,712-1,004 accord associate press count sanders aid say could eclipse clinton advantage final round contest hold june superdelegates would begin switch back sanders win path campaign manager jeff weaver say clinton campaign describe lead insurmountable give party proportional allocation delegate state mean clinton keep pile delegate even state sanders win win big state big win landslides make deficit clinton strategist joel benenson tell reporters trump also plan campaign wisconsin week seek build lead republican rival u.s. senator ted cruz texas ohio governor john kasich trump 738 1,237 delegate need take republican nomination july convention cleveland cruz 463 kasich 143 accord new york time clinton warn possible trump supreme court nominations