Rebel commanders are seeking assurances from Washington that if they sign a peace deal with the Colombian government, the United States will not be an obstacle to implementing agreements reached at the table.
They started with obstacle races, under the name Rugged Maniac.
Health and safety forms are an obstacle, so be prepared for paperwork, he adds.
Even a mid-budget movie costs a lot of money to make, and needs to make it back whereas financial success was practically an obstacle to artistic achievement for most of the outsider musicians Frank celebrates.
The daily trips from home to Genk's training centre – 36km each way — were not a big obstacle.
The NHS's deepening financial problems are a major obstacle, though the PM could potentially make some further extra money available for that purpose.
Santorum will increasingly be seen as an obstacle to consolidating the conservative vote, rather than as the recently crowned Iowa winner that he is.
The extra pounds are another obstacle to overcome.
Boris Johnson is to renounce his US citizenship, removing a potential obstacle to him becoming British prime minister.
Related: Len McCluskey tells Scottish Labour leader Jim Murphy to resign He said he would seek election to the Scottish parliament in May 2016 but that immediately raised a substantial new obstacle which could cause further conflict within the Scottish party.
Unlike the situation with Germany, where Ballack missed out on the World Cup not through his own fault and then became seen as an obstacle to the team's continued progress, the falling-out with Leverkusen is very much of his own making.
