Participating and mayor Pete Buttigieg is also joining in a march starting at any moment there in South Carolina. And then up next in the palmetto state the black Economic Alliance forum where the kinds hope to make their pitch to black voters. Lets check in with cnns senior washington correspondent jeff zeleny. This is extremely important. What messages do you think the candidates are focusing on delivering today . Reporter well good morning. No question South Carolina the first in the south primary at the end of next february is critical to all of these candidates, certainly to send them on their way when the primaries start happening across the country. But right now several of these candidates are introducing themselves to voters particularly but, beto orourke, cory booker, Elizabeth Warren, coming as well trying to make their case. They are making an economic argument as well. You said this morning that senator booker and beto orourke were joining striking workers, a mcdonts strik