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

BBC: Czechs look to post-Havel life

Even if a case eventually came to court, the general's own amnesty law would probably prove an insurmountable obstacle.

ECONOMIST: Breaking the general��s spell

It boasts an average conviction rate of 70% over the past five years which suggests juries are not an insurmountable obstacle to obtaining guilty verdicts.

ECONOMIST: Jury trials

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.

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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