One of the Republican Party's most influential families may come off the sidelines to financially support Donald Trump's latest White House run, after years of distancing themselves from him, according to people familiar with the matter. Robert Mercer and his daughter, Rebekah, have not yet made a final decision on whether they'll publicly back Trump, these people said. But…

#republicanparty#donaldtrump#robertmercer#trump#mercers#kellyanneconway#brendanfischer#donorstrust