WASHINGTON – The U.S. Chamber of Commerce parted ways Tuesday with its longtime political strategist, as the organization, once a Republican stalwart, has demonstrated a more bipartisan spending streak in the Donald Trump era.Scott Reed said he left after “constant disagreements” about the business lobbying organization’s commitment to helping Republicans maintain control of the Senate, “with money being spent in a silly manner.” He added that senior executives “spent way too much time bashing Trump and the (White House) all summer long.”A Chamber spokesperson disputed Reed's account, saying that he was terminated and that an internal review showed he “repeatedly breached confidentiality, distorted facts for his own benefit, withheld.