allies is hitting tepid resistance in congress. retiring tennessee senator bob corker railed against the measures, trying to get an amendment attached to the newest act looking to get authority to approve certain tariffs before they were it put in place. the amendment lacks brood support, something corker took issue with on the senate floor. >> a senior senator from texas saying the other day, well, gosh, we might upset the president. we might upset the president of the united states before the midterms. so gosh, we can't vote on the corker amendment. we can't do that because we'd be upsetting the president. >> now, the president himself has been relatively quiet on the issue since his blast of tweets criticizing canadian prime minister justin trudeau following the g7 summit. what the president and his advisers took issue with, trudeau's statement that canadians won't be pushed around. canada in particular is heavily entwined in the u.s. economic