Trump seeks reboot for flagging White House bid

Donald Trump sought to reboot his flagging presidential bid, dismissing his tainted campaign chairman and seeking to broaden his shrinking support base by appealing to black voters and visiting flood-ravaged Louisiana. The resignation of the seasoned Republican strategist Paul Manafort -- under fire for his pro-Kremlin ties and role in a Ukrainian corruption scandal -- represents the Republican nominee's latest effort to get back on track after weeks of crisis. Earlier in the week Trump appointe