WASHINGTON, FEBRUARY 10 - Minnesota senator dem Amy Klobuchar, 59, a lawyer, formally announced her candidacy for US presidential elections in Minneapolis under heavy rainfall and a perceived temperature of -14. "There will certainly be no bad weather", he joked, denouncing "the sense of community that is breaking in America" and his commitment to "bring the nation back from chaos to opportunities for everyone". Klobuchar also promised to return to the Paris climate agreement.