"Our taxes pay them: we decide where they can`t go" No, you don't. A member of parliament must not take orders from the government. Especially the minority (opposition) members of parliament must be independent of the government. That's what makes a system of 'checks and balances', if you ever heard of it. When government decrees decide where members of parliament travel or whom they talk to, you might as well dissolve the parliament and establish a dictatorship.
Northern California wildfire doubles in size, displaces thousands (Reuters)
from the article: Arab MKs: Bid to bar trips to enemy states is 'racist'