Republicans See Strong Early Challengers for Trump

“The early Democratic jockeying to take on President Donald Trump has not gone unnoticed on the other side of the aisle — and Republicans concede there are quite a few potentially formidable contenders. … In interviews with two dozen GOP operatives, strategists and officials around the country, Republicans placed the most credible Democratic candidates into categories: the rising congressional stars (Kamala Harris) and the pure political outsiders (Mark Cuban), the fiery progressives (Elizabeth Warren) and the pragmatic moderates (John Hickenlooper).”

McClatchy