Despite the difficulties surrounding the election, neither analyst said Mr Havel's retirement was an insurmountable obstacle.

BBC: Czechs look to post-Havel life

But as we know today, this resistance did not ultimately prove an insurmountable obstacle to establishing mass public entitlements and normalizing the entitlement lifestyle.

WSJ: Are Entitlements Corrupting Us? Yes

And a low undergraduate GPA need not be an insurmountable obstacle.

FORBES: Tips For Getting Into A Top Business School

Mr Cooper argues that inter-country variations in price and expenditure structure constitute an insurmountable obstacle to meaningful measurement of differences in the purchasing power of currencies.

ECONOMIST: Letters | The