1) Weather is not climate.
2) According to the NASA GISS global surface temperature survey (http://data.giss.nasa.gov
3) It is possible to cherry-pick lots of temporarily cold places, which is exactly what Jacoby has done here. It is not scientifically honest. It says absolutely nothing about climate.
4) Global temperatures ARE NOT flat since 1998. The 5-yr moving average has increased 0.34°C in the last 10-years. See http://davidappell.blogspot