Ex-aide to George W Bush calls on former president to endorse Kamala Harris

Nicolle Wallace, communications director under Bush, is the latest former aide to urge ex-president to back Harris

A former top aide has called on George W Bush to endorse Kamala Harris, becoming the latest of his circle to up the pressure on the ex-president to make a public stand and join a long list of Republicans now backing the Democratic candidate.

Nicolle Wallace, who served as the communications director in the Bush White House, called on the former president to have a change of heart" and take a position against Donald Trump.