As with the proceedings against former US Presidents Richard Nixon and Bill Clinton, the impeachment inquiry into Donald Trump is ultimately a domestic political issue that will be decided in the US Congress. But, unlike those earlier cases, the Ukraine scandal threatens to jam up the entire machinery of US foreign policy.
America owes its economic strength to its private sector, which has long benefited from an absence of undue influence by politicians and the state. But under US President Donald Trump's administration, discretionary decisions by policymakers are increasingly giving some companies advantages over others.
Owing to a recent easing of both Sino-American tensions and monetary policies, many investors seem to be betting on another era of expansion for the global economy. But they would do well to remember that the fundamental risks to growth remain, and are actually getting worse.