On-air challenge: Every answer today is a word, name, or phrase in which the only consonants are R and C, repeated as often as necessary. All the other letters are vowels. Last week's challenge ...

I'm going to give you some words. For each one, name a country that has exactly the same consonants in the same order but with different vowels. If you know the answer to the challenge ...

Last week's challenge ... Think of a well-known seven-letter geographical name in a single word that has just two consonants and yet is pronounced in five syllables. If you know the answer ...