Will the Cameron Government in the UK collapse?

Major cracks are starting to appear in the coalition as the rank and file of the Liberal Democratic Party rebel against the leadership over healthcare. As an American with a casual interest in British politics, I suspected something like this would happen. I got the impression, rightly or wrongly, from newspapers that the leadership of the Lib-Dems is from the more conservative wing of the party. Beyond that, the rank and file aren't the ones living the impossible dream of actually sitting in cabinet--something Clegg and co. probably never expected would happen considering that the Lib-Dems never had a snowball's chance in hell of winning a general election. The leadership, therefore, are much more likely to support whatever the Tories propose than the the rank and file.