AFP
Washington (AFP) – President Joe Biden urged unity and touted a blue-collar economic resurgence Tuesday in a rousing State of the Union speech before a raucous Congress that doubled as a bid to persuade voters he still has what it takes to seek reelection at age 80. The Democrat, who has been written off even by some supporters as too old, gave as good as he got in an unusually boisterous event, with far-right Republicans heckling and mocking throughout. At times smiling and joking, at times showing anger, Biden concluded his address, viewed on television by tens of millions of Americans, that…