
How infallible is "apparently infallible"?
"...His predecessor, Benedict XVI, started an apparently infallible @pontifex Twitter account..."
That dogma of the Church regarding papal infallibility applies only to matters of faith and morals, and to doctrines held by the entire Church; and most definitely does not apply to personal opinions held by one man.
So, Roman Catholics do not have to be concerned if the Pope were to say, "Pepsi Cola is the only soda to drink!", or, "One cannot be a member of the Church if he is a follower of [here insert the name of your favorite--or not--political figure]".