The race for a new Democratic chairman narrowed to two candidates, a former Cabinet member and a liberal Minnesota congressman, both of them promising to rebuild a reeling party and fight Republican President Donald Trump. Tom Perez, labour secretary under former President Barack Obama, told Democratic National Committee members the party is facing a “crisis of confidence” and a “crisis of relevance” after losing about 1,000 elected posts from Capitol Hill to state legislatures during the last decade, in addition to Hillary Clinton’s presidential election loss in November.