Can Sudan's Protests Succeed?

They are the longest in decades and the most significant in Sudan's recent history. Nationwide protests have been taking place almost every day for a month.
They were prompted by a rise in bread and fuel prices. But the demonstrators quickly turned their attention to other issues. And are now demanding his resignation.
Omar al Bashir’s response has been a crackdown by security forces.
Dozens of people have been killed and hundreds arrested in recent weeks.
So, how far can the protests go?
And will international pressure make a difference?