While many of us greatly value the United States Constitution, there are numerous critics of the Constitution including in the United States. In particular, the critics argue that other countries should not attempt to emulate the U.S. Constitution. Two features of the U.S. Constitution have been subject to scrutiny: its establishment of a federalist system and its use of a presidentialist executive.
Steve Calabresi has a new article out that ably defends the U.S. Constitution. Calabresi acknowledges the problems with federalist and presidentialist systems, but argues that the U.S. Constitution avoids these problems with distinctive features that have not been employed by other countries that have adopted these systems.