The repercussions of the Taft-Hartley act were as follows: 1) it removed the restrictions for jobs for union members only; 2) It no longer allowed collective bargaining in industries; 3) union members were required to take loyalty oaths proving they were not part of the Communist party; 4) it allowed the President of the United States to stop strikes if it was detrimental to the public; 5) it allowed state legislatures to pass "right to work" laws which ended compulsory union membership.
State constitutions only apply to the state they were written for, obviously. Also states have to abide by the US constitution.
The electoral college is a group of constitutionalists ( people who fight to keep american citizen rights to the constitution ), and they are electorates who support President Trump being relected, so since the democrats are against such they wish to "bring it down".
Hope this helps, if not, comment below please!!!!