If today’s match at Dens Park was anything to go by, this is going to be a long, nerve-jangling month for Celtic supporters. Dundee gave the Bhoys a good fight on Tayside despite eventually sinking to a 2-1 defeat, as James Forrest rolled back the years to show he has the desire to lift more trophies. Celtic didn’t ever look at risk of losing the fixture but as the clock ticked towards 90 – during a lacklustre performance overall – understandable anxiety about dropping points was felt. Thankfully, the reigning champions showed why they are top of the table, managing to dig in and defend their …