these are the live pictures from philadelphia, this is independence mall, the birthplace of americanter bowes in los angeles. this is quite a change of tact orjoe biden, he went into the white house talking about unity and getting the country back together after four years old donald trump, but now he is really taking on donald trump head on, why has he changed his tune? ~ ., , head on, why has he changed his tune? ~ . , , , tune? well, that is because we are a few _ tune? well, that is because we are a few weeks _ tune? well, that is because we are a few weeks away - tune? well, that is because we are a few weeks away from - tune? well, that is because we are a few weeks away from the j are a few weeks away from the mid—term elections. it's certainly true that, since taking office, joe biden has said that much to donald trump, certainly not got into any political spats with him, but now the stakes are high. the senate and house of representatives are up for the election, and the shape of congress for the next two years will dictate whatjoe biden can do as president for the next two