51.   Incumbency scares off many potential challengers, but broadcasters, especially TV anchors, can clear that hurdle with celebrity.

52.   Instead, he heaped praise on a potential Kohl challenger, business-friendly Social Democrat Gerhard Schroeder.

53.   It can also scare off potential challengers or discourage contributors from making donations to a rival whose candidacy looks like it will be overwhelmed.

54.   More recent polls show she would fair poorly against potential Democratic challengers for governor in the mostly Democratic state.

55.   Prada beat several potential challengers a week earlier to meet Team New Zealand on Sunday.

56.   That excludes a leading opposition figure, former Prime Minister Alassane Ouattara, who was seen as the strongest potential challenger to President Henri Konan Bedie.

57.   The breakaway Democratic Renewal Party led by former foreign minister Djibo Leity Ka, was seen as the strongest of the potential challengers.

58.   The authoritarian Italian squashed meek attempts of potential challengers to oppose him and is expected to cruise to another term.

59.   The list of potential challengers is a short list, but it comes in in an interesting scenarios.

60.   The potential Republican challengers are already trying to outtrump each other in the verbal power match.