A Democratic lawmaker in North Carolina is reportedly expected to change her political party and become a Republican, giving the GOP a veto-proof majority in the state legislature. State Rep. Tricia Cotham, a Democrat from Charlotte, is expected to announce her decision Wednesday, according to Axios, which cited multiple Republicans with knowledge of the discussions. […] If Cotham follows through, the move could have major political implications for North Carolina, a swing state where Republicans are currently one seat short of a supermajority in the legislature. […] Cotham could give Republicans a clear path with a veto-proof majority to push...